Gnuplot/C2/Plotting-datasets-from-file/English - Revision history

Snehalathak at 12:09, 15 November 2019

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Madhurig at 10:59, 15 November 2019

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Ranipv076 at 10:23, 7 November 2019

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Ranipv076 at 10:46, 30 October 2019

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Ranipv076 at 11:55, 18 October 2019

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Ranipv076 at 11:55, 22 February 2019

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Ranipv076: Created page with "'''Title of script''': '''Plotting datasets from file''' '''Author: '''Rani Parvathy '''Keywords:'''..."

2018-12-04T11:51:51Z

Created page with "'''Title of script''': <span style="color:#000000;">'''Plot</span><span style="color:#000000;">ting datasets from file'''</span> '''Author: '''Rani Parvathy '''Keywords:'''..."

New page

'''Title of script''': <span style="color:#000000;">'''Plot</span><span style="color:#000000;">ting datasets from file'''</span>

'''Author: '''Rani Parvathy

'''Keywords:''' gnuplot, video tutorial, spoken tutorial, plot data from file, plot more than one graph, change line color, set key, set symbol size, month, year, date formatting

{| style="border-spacing:0;width:6.8472in;"
|-
! align=center style="background-color:#993366;border-top:1pt solid #000000;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | Visual Cue
! align=center style="background-color:#993366;border:1pt solid #000000;padding:0.0382in;" | Narration
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''Slide Number 1'''</div>

<div style="color:#000000;">'''Title Slide '''</div>

<div style="color:#000000;">'''Plotting datasets from file'''</div>
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Welcome to the tutorial on '''Plotting datasets from a file'''
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''Slide Number 2'''</div>

<div style="color:#000000;">'''Learning Objectives'''</div>

| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">In this tutorial we will learn to,</div>

* <div style="color:#000000;">Plot x-y graph from a dataset in a file</div>
* <div style="color:#000000;">Add two plots in a graph</div>
* <div style="color:#000000;">Write legend and set time stamp</div>
* <div style="color:#000000;">Change line color</div>
* <div style="color:#000000;">Set symbol style and size</div>
* <div style="color:#000000;">Change axis format and label style</div>

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''Slide Number 3'''</div>

<div style="color:#000000;">'''System and Software Requirement'''</div>

<div style="color:#000000;"></div>

<div style="color:#000000;"></div>
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">To record this tutorial, I am using</div>

<div style="color:#000000;">Debian Linux</div>

<div style="color:#000000;">Gedit 3.22.0 and</div>

<div style="color:#000000;">have gnuplot 5.2.5 installed</div>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''Slide Number 4'''</div>

<div style="color:#000000;">'''Samson Microphone'''</div>
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">To record audio, '''Samson''' '''USB''' portable microphone was used.</div>

<div style="color:#000000;">The model number '''SAGOMIC'''</div>

<div style="color:#000000;">I bought it from '''amazon''' website, for about rupees four thousand</div>

<div style="color:#000000;">It may be available in other websites.</div>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''Slide Number 5'''</div>

<div style="color:#000000;">'''Pre-requisites'''</div>

| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">To follow this tutorial, learner's must be familiar with, </div>

<div style="color:#000000;">Basic computer and internet skills</div>

<div style="color:#000000;"><span style="background-color:transparent;">Have c</span><span style="background-color:transparent;">oncept of graphing </span></div>

<div style="color:#000000;">and </div>

<span style="background-color:transparent;color:#000000;">Have h</span><span style="background-color:transparent;color:#000000;">igh school </span><span style="background-color:transparent;color:#000000;">level</span><span style="background-color:transparent;color:#000000;"> </span><span style="background-color:transparent;color:#000000;">M</span><span style="background-color:transparent;color:#000000;">ath</span><span style="background-color:transparent;color:#000000;">ematics</span><span style="background-color:transparent;color:#000000;"> skill</span><span style="background-color:transparent;color:#000000;">s</span>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''Slide Number 6'''</div>

<div style="color:#000000;">'''Pre-requisites'''</div>

<div style="color:#000000;"></div>

<div style="color:#000000;"></div>
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <span style="background-color:transparent;color:#000000;">Please locate this tutorial on our web page, </span><span style="background-color:transparent;color:#000000;">'''spoken hyphen tutorial dot org'''</span><span style="background-color:transparent;color:#000000;"> </span>

<div style="color:#000000;">Pre-requisite '''spoken''' '''tutorials''', if any, will be mentioned in this page </div>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">Go to '''Desktop'''</div>

| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">Go to '''desktop''' </div>

<div style="color:#000000;">We will plot a graph from data in a text file '''data dot txt''' </div>

<div style="color:#000000;">The file is provided with this tutorial.</div>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | Show data.txt icon in Desktop directory.
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | It is saved in the Desktop folder for me.
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | Double click on the icon
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">Double click on the file icon to open and view the file.</div>

<div style="color:#000000;">File opens in '''gedit''' text editor for me</div>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">Data has three columns.</div>

<div style="color:#000000;">The first row consists of headers and starts with a hash</div>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">First column contain '''x''' data.</div>

<div style="color:#000000;">2<sup>nd</sup> and 3<sup>rd</sup> columns are two sets of '''y''' data.</div>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | Click on x sign
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Close the file by '''File''' > '''quit''' or click on the ''''x'''' sign
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | '''Press ctrl+alt+t'''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Press control alt t, keys together on keyboard, to open a terminal
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | A '''terminal''' opens.
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | '''cd Desktop'''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Change directory to '''Desktop''' directory as seen on the screen.
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Depending on your operating system, please set the '''terminal'''
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | '''set term qt'''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">I will type '''set space term space qt'''. </div>

<div style="color:#000000;">This works for most operating systems</div>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | '''gnuplot'''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">Type '''gnuplot''' in command prompt and press enter, to open '''gnuplot'''</div>

<div style="color:#000000;">I will Press '''control L''' to bring terminal prompt to top of screen, for clarity.</div>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" |
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">Hight on screen, </div>

<div style="color:#000000;">'''>plot "data.txt" using 1:2 title 'Y1''''</div>
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">First let's make a plot from '''x''' and '''y1''' data columns.</div>

<div style="color:#000000;">Enter command as seen on the screen </div>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | '''replot'''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">'''Replot''' to see the graph</div>

<div style="color:#000000;">Here we also added legend in the same command line</div>

<div style="color:#000000;">A graphic window opens</div>

<div style="color:#000000;">Next, let's make symbol size larger</div>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">Type '''set pointsize 1.5'''</div>

<div style="color:#000000;">Press '''enter'''</div>
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">To set symbol point size, type '''set pointsize 1.5'''</div>

<div style="color:#000000;">Press '''enter'''</div>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | '''replot'''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">Replot to see the updated graph</div>

<div style="color:#000000;">You may pause the video and explore symbol size and choose a size of your choice</div>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Now, Say I want to compare both '''y1''' and '''y2''' data on '''x-axis'''
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">Highlight </div>

<div style="color:#000000;">>'''plot "data.txt" using 1:2 title 'Y1' , "data.txt" using 1:3 title 'Y2''''</div>
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">For this purpose, use the plot command as above, in series, separated by a comma</div>

<div style="color:#000000;">The command is shown on the screen.</div>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Let's set '''y'''-axis to '''logarithmic''' scale from linear next
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''>set logscale y'''</div>

<div style="color:#000000;">'''replot'''</div>
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">Use command '''set space logscale space y''' to set '''logscale'''.</div>

<div style="color:#000000;">'''Replot''' to see the result.</div>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | The '''exponential''' curve change to linear line due to the '''logarithmic''' scale
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | >'''unset logscale y'''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | To go back to linear scale for '''y-axis''', use command, '''unset space logscale space y'''
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | >'''replot'''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">Please '''replot''' to see the resulting change.</div>

<div style="color:#000000;"></div>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | '''plot "data.txt" using 1:3 with linespoints'''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">Say, I desire to draw a line between data points for '''x''' and '''y2''' data set.</div>

<div style="color:#000000;">I will use the command as seen on the screen. </div>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
| style="background-color:#ffffff;border:none;padding:0in;color:#000000;" | Add with lines points in the plot command itself.
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
| style="background-color:#ffffff;border:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">Next, let's change graph properties.</div>

<div style="color:#000000;">Say, I want a larger size filled circle data points and color them blue.</div>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">Highlight on screen</div>

<div style="color:#000000;">>'''plot "data.txt" using 1:3 title 'Y2' with linespoint lc 'blue' lt 1 lw 2 pt 7 ps 1.5'''</div>
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">Enter the command, as seen on the screen.</div>

<div style="color:#000000;">This changes color, point style and </div>

<div style="color:#000000;">style line. </div>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | Hover mouse next to '''lc'''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">Here, '''lc''' sets line color to '''blue. '''</div>

<div style="color:#000000;">We can also use hexadecimal code for a chosen color.</div>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | Hover mouse over '''lw'''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | '''Lw 2''' sets line width to two
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | Hover mouse next to '''pt'''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | '''Pt''' sets point type or symbol style to '''7, '''which is a filled circle.
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | Hover mouse next '''ps'''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | '''Ps''' sets point size or symbol size to 1.5
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | We may wish to change the format for axis labels on many occasions.
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | Hover mouse on y-axis range
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Here, the y-axis numbers are large.
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | We may want to use scientific notation.
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | I will use set format command for this purpose.
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | '''>Set format y'''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">Type set space format, followed by axis name. </div>

<div style="color:#000000;">Here it is '''y'''.</div>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | ''''%0.2e''''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Follow it by percent sign 2 e within single quotes as in the video.
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | You may also use the following syntax for changing format and range.
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">>'''set yrange [1:1.5e5]'''</div>

<div style="color:#000000;">'''ctrl -L'''</div>
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">Use '''set space yrange space 1 colon 1 point 5e5 in square braces''' </div>

<div style="color:#000000;">This also changes format of '''y axis'''</div>

<div style="color:#000000;">I will press '''control l''' to bring terminal prompt to top of the screen for clarity.</div>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | '''set border linewidth 2 lc 'red''''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">We can also change color of the border and line width.</div>

<div style="color:#000000;">The commands are shown on the screen.</div>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | We may also want to have a time stamp with the graph.
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" | >'''set timestamp'''
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Type '''set space timestamp''' to add time stamp
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Notice time stamp for the plot is displayed on bottom of the plot
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''Slide Number 7'''</div>

<div style="color:#000000;">'''Summary'''</div>

| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | To summarize, in this tutorial, we

* <div style="color:#000000;">Plotted data from a file</div>
* <div style="color:#000000;">Added two plots in a graph</div>
* <div style="color:#000000;">Wrote legend title</div>
* <div style="color:#000000;">Changed line color</div>

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''Slide Number 8'''</div>

<div style="color:#000000;">'''Summary'''</div>

| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | * <div style="color:#000000;">Learned to change symbol style and size</div>
* <div style="color:#000000;">Formatted axis type and label style</div>
* <div style="color:#000000;">Changed border line color</div><br/><div style="color:#000000;">and</div>
* <div style="color:#000000;">Learned to set time stamp</div>

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''Slide Number 9'''</div>

<div style="color:#000000;">'''Summary'''</div>

| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">For assignment activity, please do the following, </div>

* <div style="color:#000000;">Explore numbers 0-10 for color choice for line</div>
* <div style="color:#000000;">Explore symbol styles for number choice 0-9</div>

<div style="color:#000000;"></div>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''Slide Number 10'''</div>

<div style="color:#000000;">'''Spoken Tutorial Project'''</div>
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <span style="color:#000000;">This video summari</span><span style="color:#000000;">z</span><span style="color:#000000;">es the</span><span style="color:#000000;"> Spoken Tutorial Project </span>

<div style="color:#000000;">If you do not have good bandwidth, you may download and watch it.</div>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''Slide Number 11'''</div>

<div style="color:#000000;">'''Spoken Tutorial workshops'''</div>

<div style="color:#000000;"></div>
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <span style="color:#000000;">We</span><span style="color:#000000;"> conduct workshops using spoken tutorials and give certificates. </span>

<span style="color:#000000;">P</span><span style="color:#000000;">lease write to us.</span>
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''Slide Number 12'''</div>

<div style="color:#000000;">'''Forum for specific questions:'''</div>* <div style="color:#000000;margin-left:0in;margin-right:0in;"></div>

| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Post your timed queries in the forum.
|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;" | <div style="color:#000000;">'''Slide Number 13'''</div>

<span style="color:#000000;">'''Acknowledgemen'''</span><span style="color:#000000;">t</span>

| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;" | <div style="color:#000000;">Spoken Tutorial Project is funded by NMEICT, MHRD, Government of India.</div>

|-
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:none;padding:0.0382in;color:#000000;" |
| style="background-color:#ffffff;border-top:none;border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;padding:0.0382in;color:#000000;" | Thank you for joining.
|-
|}
<div style="color:#000000;margin-left:0in;margin-right:0in;"></div>

@@ Line 247: / Line 247: @@
 * Wrote the legend title
 * Changed the symbol style and size
-* Added two plots in the plot
+* Added two datasets in the plot
 * Formatted the axis type
 * Changed the line color

@@ Line 113: / Line 113: @@
 |-
 || Type '''replot''' and press '''Enter'''.
-|| Enter the command replot, to see the updated graph.
+|| Enter the command '''replot''', to see the updated graph.
 |-

@@ Line 24: / Line 24: @@
 * Change the line color
 * Format the label style to scientific notation
-* Format the border line
+* Format the border line and
 and
 * Add time stamp
@@ Line 34: / Line 33: @@
 * '''Debian Linux''' 9.3
-* '''gnuplot 5.2.6'''
+* '''gnuplot 5.2.6''' and
 and
 * '''Gedit''' 3.22.0
@@ Line 50: / Line 48: @@
 || Go to '''Desktop''' .
 We will plot a graph using the data in a '''text''' file, named '''data.txt'''.
 The file is provided in the '''codefiles''' link of this tutorial.

@@ Line 6: / Line 6: @@
 || '''Slide Number 1'''
 '''Title Slide '''
-|| Welcome to the tutorial on '''Plotting Dataset from a File''' in gnuplot.
+|| Welcome to the tutorial on '''Plotting Dataset from a File''' in '''gnuplot'''.
 |-
@@ Line 101: / Line 101: @@
 |-
 || Hover mouse next to legend text.
-||
+|| Here we have also added the legend text in the same command line.
 Here we have also added the legend text in the same command line.
 |-
@@ Line 177: / Line 176: @@
 |-
 || Hover mouse over '''lw'''.
-|| Lw 2 sets line width to two.
+|| '''Lw''' 2 sets line width to two.
 |-
@@ Line 194: / Line 193: @@
 || Hover mouse on y-axis scale in graph.
 || We may wish to change the format for axis labels on many occasions.
-Here, the '''y'''-axis numbers have large values.
+Here, the '''y''' axis numbers have large values.
 |-

@@ Line 6: / Line 6: @@
 || '''Slide Number 1'''
 '''Title Slide '''
-|| Welcome to the tutorial on '''Plotting Dataset from a File''' in gnuplot.
+|| Welcome to the tutorial on '''Plotting Dataset from a File''' in '''gnuplot'''.
 |-
@@ Line 16: / Line 16: @@
 * Write the legend title
 * Set symbol, style and size
-* Add two plots in a graph
+* Add two datasets in the plot
 * Change axis format to log scale
@@ Line 33: / Line 33: @@
 '''System and Software Requirement'''
 || To record this tutorial, I am using
-* Debian Linux 9.3
+* '''Debian Linux''' 9.3
 * gnuplot 5.2.6
 and
@@ Line 44: / Line 44: @@
 || To follow this tutorial,
-* Learners must be familiar with, High school level Mathematics.
+* Learners must be familiar with, High school Mathematics.
 * For pre-requisite '''gnuplot''' tutorials, please visit this site.

@@ Line 22: / Line 22: @@
 || '''Slide Number 3'''
 '''Learning Objectives'''
-|| * Change the line color
+||
 * Format the label style to scientific notation
 * Format the border line
@@ Line 44: / Line 45: @@
 * Learners must be familiar with, High school level Mathematics.
-* For pre-requisite gnuplot tutorials, please visit this site.
+* For pre-requisite '''gnuplot''' tutorials, please visit this site.
 |-
 || Go to Desktop and cursor on '''Desktop '''.
-|| Go to '''desktop''' .
+|| Go to '''Desktop''' .
 We will plot a graph using the data in a '''text''' file '''data.txt'''.
 The file is provided in the '''codefiles''' link of this tutorial.
@@ Line 64: / Line 65: @@
 || Hover mouse and show on screen.
 || The data has three columns.
-The first row consists of headings and starts with a hash.
+The first row consists of headings and starts with a '''hash'''.
 |-