countSampleSizes: Produce a table of counts of all combinations of phenotype...

In carlmurie/RNASeqUtilities: Helper functions for RNASeq analysis and presentation

Description

Count number of instances for each combination of factor levels in relation to reference factor. First column of return data.frame is total number of elements for each level of 'ref'. Used to calculate sample sizes for experimental designs.

Usage

countSampleSizes(dat, ref, factors)

Arguments

dat	data.frame of phenotype variables. Each row is one sample and each column is a factor of interest
ref	character string or numeric column index referencing column for which 'factors' is tabulated on.
factors	vector of column labels or column indices defining which factors are to be tabulated.

Value

data.frame showing frequencies of 'factors' levels for 'ref'

carlmurie/RNASeqUtilities documentation built on Sept. 1, 2019, 11:54 p.m.