[Bioperl-l] About binning data for histograms

[Jason Stajich]

For binning of a distribution see the perl module  
Statistics::Descriptive - http://search.cpan.org/~colink/Statistics-Descriptive-2.6/Descriptive.pm 
  function: frequency_distritibution

I would also look at R histogram function for the plotting.  This  
would be one of the easiest ways - I would just make a perl script  
that generates the correct R code that can be used to make the plots.


On Aug 16, 2009, at 4:06 AM, Abhishek Pratap wrote:

> Hi All
>
> After a lot of look up on forums I could google, I am finally posting
> my question here. I think it may not be appropriate for this mailing
> list. I apologize for this first up. The question is regarding dynamic
> binning of data points for histogram plots.
>
> So I have many hashes, each having a "numerical" coverage data
> obtained from Next generation sequencing data analysis. Now each hash
> may have couple of hundred to thousands entry "contig_name =>
> coverage".  What I want to do is to plot a histogram for each
> hash/dataset.  "Coverage v/s Count of contigs with coverage > #N " ( N
> has to be binned according to the data size).
>
> I am using Chart::Gnuplot for this but I am not able to figure out how
> to bin the data points to fit nicely on a screen. Is there any
> smart/quick method to do this.
>
> Any pointers will help a great deal.
>
> Best Regards,
> -Abhi
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--
Jason Stajich
jason.stajich at gmail.com
jason at bioperl.org