Last updated: 2019-04-18

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Knit directory: apaQTL/analysis/

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Rmd 22bfb66 brimittleman 2019-04-18 add pas usage qc analysis

In this analysis I will test the avrage peak usage difference in peak usage between individuals. We expect the average difference to as you look at peaks with more coverage. I will use this analysis to test for potential batch effects. Prior to resequencing I saw higher variance in the last batch of samples. This was highly correlated with the library concentrations of these samples being lower.I reran each of these libraries for this round.

For interpretation purposes, I look at genes with only 2 peaks. I will also need the metadata to order the plot.

For simplicity I will do this seperatly for total and nuclear. The files are in /project2/gilad/briana/apaQTL/data/phenotype/ I will need to join the first column of the fc file with the countsonly numeric file. I can filter the 5% peaks by joining these files with the file in /project2/gilad/briana/apaQTL/data/phenotype_5perc. To partition this information by count I will also use the counts file and filter by the 5% usage peaks. The counts are in /project2/gilad/briana/apaQTL/data/peakCoverage/.

I will do this in an R script that can be run from the code directory.

The R script will take either Total and Nuclear.

module load Anaconda3
source activate three-prime-env
Rscript UsageDifferenceHeatmap.R -F Total
Rscript UsageDifferenceHeatmap.R -F Nuclear
The resulting plots are written to output as AverageDiffHeatmap.Nuclear.png and AverageDiffHeatmap.Total.png


sessionInfo()
R version 3.5.1 (2018-07-02)
Platform: x86_64-apple-darwin15.6.0 (64-bit)
Running under: macOS  10.14.1

Matrix products: default
BLAS: /Library/Frameworks/R.framework/Versions/3.5/Resources/lib/libRblas.0.dylib
LAPACK: /Library/Frameworks/R.framework/Versions/3.5/Resources/lib/libRlapack.dylib

locale:
[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

loaded via a namespace (and not attached):
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[13] tools_3.5.1     stringr_1.4.0   glue_1.3.0      xfun_0.5       
[17] yaml_2.2.0      compiler_3.5.1  htmltools_0.3.6 knitr_1.21