Mercurial > repos > bgruening > deeptools_bam_fingerprint
diff bamFingerprint.xml @ 8:ab153e5b5428 draft default tip
planemo upload for repository https://github.com/fidelram/deepTools/tree/master/galaxy/wrapper/ commit 4f515024772311c950d277246db548453d24abd7
author | bgruening |
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date | Wed, 23 Dec 2015 14:40:57 -0500 |
parents | b97024fb9c9f |
children |
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--- a/bamFingerprint.xml Wed Dec 23 07:31:18 2015 -0500 +++ b/bamFingerprint.xml Wed Dec 23 14:40:57 2015 -0500 @@ -58,8 +58,8 @@ <when value="no" /> <when value="yes"> <param argument="--binSize" type="integer" value="500" min="1" - label="Bin size in bp" - help="Length in base pairs for a window used to sample the genome."/> + label="Bin size in bases" + help="Length in bases for a window used to sample the genome."/> <param argument="--numberOfSamples" type="integer" value="100000" min="1" label="Number of samples" help="Number of samples taken from the genome to compute the scaling factors."/> @@ -115,16 +115,15 @@ **What it does** -This tool is useful to assess the strength of a ChIP (i.e. how clearly the enrichment signal can be separated from the background signal) -and it is based on a method developed by Diaz et al. (2012) Stat Appl Genet Mol Biol 11(3). +This tool is useful for assessing the strength of a ChIP (i.e. how clearly the enrichment signal can be separated from the background) +and is based on a method described in Diaz et al. (2012) Stat Appl Genet Mol Biol 11(3). -The tool first samples indexed BAM files and counts all reads overlapping a window (bin) of specified length. +The tool first samples indexed BAM files and counts all reads overlapping a window (bin) of the specified length. These counts are then sorted according to their rank (the bin with the highest number of reads has the highest rank) -and the cumulative sum of read counts are plotted. An ideal input (control sample) with perfect uniform distribution of reads -along the genome (i.e. without enrichments in open chromatin etc.) should -generate a straight diagonal line. A very specific and strong ChIP enrichment will be indicated by a prominent and steep -rise of the cumulative sum towards the highest rank. This means that a big chunk of reads from the ChIP sample is located in -few bins which corresponds to high, narrow enrichments seen for transcription factors. +and the cumulative sum of read counts are plotted. An ideal input (control) with a uniform distribution of reads alignments +result in a diagonal line. A very specific and strong ChIP enrichment, on the other hand, would result in a large portion +of reads accumulating in just a few bins and the resulting plot showing a steep rise toward the right-most edge. Such results are +most commonly seen with transcription factors. .. image:: $PATH_TO_IMAGES/QC_fingerprint.png @@ -140,7 +139,7 @@ **Output with test dataset**: -Following is the output of bamFingerPrint with our test ChIP-Seq datasets, limiting analysis to chromosome X. Single-end reads were extended to +What follows is the output of bamFingerPrint with our test ChIP-Seq datasets, limiting analysis to chromosome X. Single-end reads were extended to 200 bp (advanced options). .. image:: $PATH_TO_IMAGES/bamFP_galaxy_output.png