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From: Karl Ratzsch <mail.kfr@gmx.net>
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Subject: Re: histograms
Date: Mon, 23 May 2016 17:36:43 +0200
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Am 23.05.2016 um 14:28 schrieb Dieter Britz:
> Yes, but it's a bit cryptic to me. I have now got a histogram,
> with your help, using this:
> 
> set boxwidth  0.9 relative
> set style data histograms
> set style histogram cluster
> plot for [COL=1:2] '0.dat' using COL #, '1.dat' using COL
> 
> and having eliminated the count column.
> Now I want two of them, one using 0.dat (the previous first set)
> as is, open bars, plus the second set 1.dat, alongside that with
> filled bars. How do I do that?

Still i do not see what you want the "for" iteration for. Have you read
"help plot for"? I thought your first column only contains the
sequential numbers of the histogram slots (which gnuplot does not need
anyway, but surely they are not histogram data)?

Anyway, your "set" commands plus

  plot "0.dat" us col 2, "1.dat" using col 2

does it. What is the problem?