Re: "bins filter" and "set fit nolog option"

[Philipp K. J. <ja...@ie...>]

On Mon, 17 Aug 2015 18:02:22 -0700
sfeam <sf...@us...> wrote:

> On Monday, 17 August 2015 05:01:15 PM Philipp K. Janert wrote:
> > 
> > In the NEWS file, I saw a remark about a new feature:
> > 	
> > 	"data filter "bins" sorts input into equal width bins on x"
> > 
> > but I couldn't find any mention of it in the regular
> > documentation. It sounds quite interesting and useful -
> > has this been documented somewhere?
> 
> Perhaps you have not updated/installed the documentation 
> matching the current version?

Thanks, very helpful.

I couldn't find either of them in the CVS-PDF
at http://gnuplot.info/gnuplot_cvs.pdf

Best,

		Ph.

> 
> gnuplot> help bins
> 
>  This option is EXPERIMENTAL (implementation details may change).
>  Syntax:
>       plot 'DATA' using <XCOL> {:<YCOL>} bins{=<NBINS>}
>            {binrange [<LOW>:<HIGH>]}
>  The `bins` option to a `plot` command first sorts the original data
> into equal width bins on x and then plots a single value per bin.
> The default number of bins is controlled by `set samples`, but this
> can be changed by giving an explicit number of bins in the command.
> 
>  If no binrange is given, the range is taken from the current x axis
> range. Any data points outside this range will be ignored.
> 
>  If only a single column is given in the using clause then each data
> point contributes a count of 1 to the accumulation of total counts in
> the bin for that x coordinate value.  If a second column is given
> then the value in that column is added to the accumulation for the
> bin.  Thus the following two plot commnad are equivalent:
>       plot 'DATA" using N bins=20
>       set samples 20
>       plot 'DATA' using (column(N)):(1)
> 
>  For related plotting styles see `smooth frequency` and `smooth
> kdensity`.
> 
> > Also, I seem to remember a "set fit nolog" option, but
> > currently don't seem to find a reference to it anymore.
> > Any hints?
> 
> gnuplot> help set fit
>  The `set fit` command controls the options for the `fit` command.
> 
>  Syntax:
>        set fit {nolog | logfile {"<filename>"|default}}
>                {{no}quiet|results|brief|verbose}
>                {{no}errorvariables}
>                {{no}covariancevariables}
>                {{no}errorscaling}
>                {{no}prescale}
>                {maxiter <value>|default}
>                {limit <epsilon>|default}
>                {limit_abs <epsilon_abs>}   
>                {start-lambda <value>|default}
>                {lambda-factor <value>|default}
>                {script {"<command>"|default}}
>                {v4 | v5}
>        unset fit
>        show fit
> 
>