EdgeR#

Add to module run order:
#BioModule biolockj.module.rnaseq.EdgeR

Description#

Determine statistically significant differences using edgeR.

Properties#

Properties are the name=value pairs in the configuration file.

EdgeR properties:#

Property Description
edgeR.designFactors list
A comma-separated list of metadata columns to include as factors in the design forumula used with edgeR.
default: null
edgeR.designFormula string
The exact string to use as the design the call to model.matrix().
default: null
edgeR.scriptPath file path
An R script to use in place of the default script to call edgeR.
default: null

General properties applicable to this module:#

Property Description
cluster.batchCommand string
Terminal command used to submit jobs on the cluster
default: null
cluster.jobHeader string
Header written at top of worker scripts
default: null
cluster.modules list
List of cluster modules to load at start of worker scripts
default: null
cluster.prologue string
To run at the start of every script after loading cluster modules (if any)
default: null
cluster.statusCommand string
Terminal command used to check the status of jobs on the cluster
default: null
docker.saveContainerOnExit boolean
If Y, docker run command will NOT include the --rm flag
default: null
docker.verifyImage boolean
In check dependencies, run a test to verify the docker image.
default: null
exe.Rscript executable
Path for the "Rscript" executable; if not supplied, any script that needs the Rscript command will assume it is on the PATH.
default: null
script.defaultHeader string
Store default script header for MAIN script and locally run WORKER scripts.
default: #!/bin/bash
script.numThreads integer
Used to reserve cluster resources and passed to any external application call that accepts a numThreads parameter.
default: 8
script.numWorkers integer
Set number of samples to process per script (if parallel processing)
default: 1
script.permissions string
Used as chmod permission parameter (ex: 774)
default: 770
script.timeout integer
Sets # of minutes before worker scripts times out.
default: null

Details#

version: 0.0.0 The two methods of expresison the design are mutually exclusive.
edgeR.designFormula is used as an exact string to pass as the design argument to model.matrix(); example: ~ Location:SoilType. edgeR.designFactors is a list (such as "fist,second") of one or more metadata columns to use in a formula. Using this method, the formula will take the form: ~ first + second
The following two lines are equivilent:
edgeR.designFormula = ~ treatment + batch
edgeR.designFactors = treatment,batch

Advanced users may want to make more advanced modifications to the call to the edgeR functions. The easiest way to do this is to run the module with the default script, and treat that as a working template (ie, see how input/outputs are passed to/from the R script). Modify the script in that first pipeline, and save the modified script to a stable location. Then run the pipeline with edgeR.scriptPath giving the path to the modified script.

Adds modules#

pre-requisite modules
none found
post-requisite modules
none found

Docker#

If running in docker, this module will run in a docker container from this image:

biolockjdevteam/r_edger:v1.3.19

This can be modified using the following properties:
EdgeR.imageOwner
EdgeR.imageName
EdgeR.imageTag

Citation#

R Core Team (2019). R: A language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria. URL https://www.R-project.org/.
Mark D. Robinson, Davis J. McCarthy, Gordon K. Smyth, edgeR: a Bioconductor package for differential expression analysis of digital gene expression data, Bioinformatics, Volume 26, Issue 1, 1 January 2010, Pages 139–140, https://doi.org/10.1093/bioinformatics/btp616

Module developed by Ivory, Ke and Rosh
BioLockJ v1.4.2