CODEWITHSUNDEEP
gnuplot
Jose Pinto
Jose Pinto

Reputation: 31

I want to plot only some values from a data file

I want to plot only some values from a data file My problem is: I only want to plot the lines that are the value of some column set to some value ( run_id == 0101). Is there a gnuplot command, that makes you select the lines you want to plot?

like

 plot 'FTSE100.txt' using 'ATimeOnMarket' :'AAnualisedROI'

when, and only when, column: 'run_id' has the value '0101'

Upvotes: 3

Views: 234

Answers (1)

mgilson
mgilson

Reputation: 310207

It looks like you could use the ternary operator to filter the file:

plot 'FTSE100.txt' using (column("ATimeOnMarket")):((column("run_id) == 101)?column("AAnualisedROI"):NaN)

You can probably make it a little easier to read with macros:

set macro
ATimeOnMarket = "column('ATimeOnMarket')"
run_id = "column('run_id')
AAnualisedROI = "column('AAnualisedROI'))

plot 'FTSE100.txt' u (@ATimeOnMarket):((@run_id == 101) ? @AAnualisedROI : NaN)

Upvotes: 1

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