Re: [Gnuplot-info] gnuplot histograms

[Hans-Bernhard B. <HBB...@t-...>]

kmsmith137 wrote:

> How can I make a histogram in gnuplot?

 From the point of view of the purity, you shouldn't be trying to.  The 
Unix philosophy is "one tool <-> one task".  gnuplot's task is plotting, 
not data processing.

> I could write a standalone program which preprocesses my sample file, and
> outputs the bin ranges and counts, but surely there is some way to do the
> binning internally to gnuplot?

There's one, but it's a bit quirky:

	bw = 5   # substitute what you want
	bin(x,width)=width*floor(x/width)
	plot 'data' using (bin($1,bw)):(1.0) smooth freq with boxes

See "help smooth" to understand what this does.