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Re: Data manipulation (gnuplot)

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On Saturday, September 7, 2013 2:13:37 PM UTC-4, Hans-Bernhard Bröker wrote:

> 
> That's going to prove trick, particularly the "reducse to the last 24 
> 
> hours worth of data" job.  Once you've solved that, you can probably do 

I set the following variable for 24 hours ago timestamps.
  YesterdayS=$(/bin/date "+%s" --date="1 days ago")

Now I just need a gnuplot like query to compare the $YesterdayS value to second column. Something like that.


> 	splot "temp_last_24h.log" u 1:2:3:xticlabels(1) with lines

This is the error I got for the previous command 

         line 0: warning: Too many axis ticks requested (>7e+04)
 
> 
> for a quick overview. Individual sensors' data should be available via
> 
> 
> 
>    plot "temp_last_24h.log" u (stringcolumn(1) eq '28D942A603000062' ? 
> 
> $2 : NaN):3 w l

I try your command but that take forever, no output.


Thanks Hans for your help.

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Data manipulation (gnuplot) Dan Merschi <danmero@gmail.com> - 2013-09-07 09:00 -0700
  Re: Data manipulation (gnuplot) Hans-Bernhard Bröker <HBBroeker@t-online.de> - 2013-09-07 20:13 +0200
    Re: Data manipulation (gnuplot) Dan Merschi <danmero@gmail.com> - 2013-09-07 17:17 -0700

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