Groups > comp.graphics.apps.gnuplot > #3503

Re: Plotting last n rows

From	Ethan A Merritt <EAMerritt@gmail.com>
Newsgroups	comp.graphics.apps.gnuplot
Subject	Re: Plotting last n rows
Date	2016-12-29 22:15 -0800
Organization	A noiseless patient Spider
Message-ID	<o44tun$abf$1@dont-email.me> (permalink)
References	<e899f633-f5a3-4786-bac5-a21f6b5f5900@googlegroups.com>

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Giovanni Di Maria wrote:

> Hi.
> I have a datafile woth these data, with thousand rows:
> 
> 2016.12.10 12:58:24 , 1349.70674487
> 2016.12.10 12:58:34 , 1349.58455523
> 2016.12.10 12:58:44 , 1349.56011730
> 2016.12.10 12:58:54 , 1350.14662757
> 2016.12.10 12:59:04 , 1350.07331378
> 2016.12.10 12:59:14 , 1350.07331378
> 2016.12.10 12:59:24 , 1349.68230694
> 2016.12.10 12:59:34 , 1349.70674487
> 2016.12.10 12:59:44 , 1349.82893451
> 2016.12.10 12:59:54 , 1349.85337243
> 2016.12.10 13:00:05 , 1349.48680352
> ..........
> ..........
> 
> I want to plot "only" last 8000 rows, with the following command:
> 
> plot "data.txt" every ::::8000 using 1:2 with lines
> 
> But in the graph I see both "the first 8000" (at left) and "the last
> 8000" (at right). How can I solve ?


  plot 'data.txt' skip 2000 using 1:2 with lines

> 
> PS. The X-axis is in the time/data format.
> Thank you
> Giovanni
> 
> Happy new year 2017.

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Thread

Plotting last n rows Giovanni Di Maria <giovanni.dimaria@gmail.com> - 2016-12-29 12:48 -0800
  Re: Plotting last n rows Ethan A Merritt <EAMerritt@gmail.com> - 2016-12-29 22:15 -0800
    Re: Plotting last n rows Giovanni Di Maria <giovanni.dimaria@gmail.com> - 2016-12-29 23:23 -0800

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