CSSA-package | R Documentation |
CSSA contains a number of functions to analyze and simulation pooled CRISPR-Cas9-based screens. The simulators, represented by the CRISPRsim and sortingsim functions, offer an easy but also highly customizable tool to create data with guide- and gene-specific variables that can be randomly assigned or specified by the user. The analysis tools currently contain functions to calculate rate ratios, odds based on nonparametric guide distribution, a function to combine genewise Z-values or odds, and a function that calculates effect sizes of gene knockout and guide efficacy based on rate ratios and duration of the experiment.
CRISPRsim
Simulate a CRISPR-Cas9 pooled screen
radjust
Calculate rate ratios restricted by confidence level
nestedradjust
Calculate rate ratios of rate ratios restricted by confidence level
jar
Rate ratios after adding an artificial number to all features
doublejar
Rate ratios of rate ratios after adding an artificial number to all features
r2Z
Convert rate ratios to Z-values
sumZ
Calculate corrected summed Z-values per gene
getdeg
Derive growth-modifying effect of gene knockout in pooled experiments
ess
Get a list of essential genes or corresponding indices in the data set
noness
Get a list of nonessential genes or corresponding indices in the data set
sortingsim
Simulate a selection-based CRISPR-Cas9 pooled screen
oddscores
Calculate odds per guide
geneodds
Calculate odds per gene
odds2pq
Calculate p-values and q-values for odds
geteffect
Approximate effect of gene knockout on growth
rrep
Calculate rate ratios with standard error of count data based on replicates
degrep
Derive growth-modifying effect of gene knockout in pooled experiments with replicate arms
This package is licensed under GPL.
Jos B. Poell
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