Hi Elad,

Start with the tool "FASTA manipulation -> Compute sequence length" to generate a length value for each sequence.


Next, use "Statistics -> Summary Statistics for any numerical column" on the result to generate specific R function statistics (see the tool form for which and how to enter the expression).

To visualize the distribution, use "Graph/Display Data -> Histogram of a numeric column".

Hopefully this helps.

Best,

Jen
Galaxy team

On 3/15/12 9:24 AM, Elad Firnberg wrote:
Hi,

Is there a tool or easy way to obtain a read length distribution on a
set of 454 reads in fasta format? I can't seem to find such a tool in
Galaxy.

Thank you,
Elad





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