cvSubsets {simulatorZ}R Documentation

cvSubsets

Description

To generate a list of subsets(indices of observations) from one set

Usage

cvSubsets(obj, fold)

Arguments

obj

a ExpressionSet, matrix or RangedSummarizedExperiment object. If it is a matrix,columns represent samples

fold

the number of folds in cross validation. Number of observations in the set does not need to be a multiple of fold

Value

returns the list of indices of subsets

Author(s)

Yuqing Zhang, Christoph Bernau, Levi Waldron

Examples

library(curatedOvarianData)
data(E.MTAB.386_eset)

id <- cvSubsets(E.MTAB.386_eset, 3)
subsets <- lapply(1:3, function(i){E.MTAB.386_eset[1:10, id[[i]]]})
sapply(subsets, dim)
rm(subsets)

## Number of observations in the set does not need to be a multiple of
## the fold parameter
id2 <- cvSubsets(E.MTAB.386_eset, 5)
subsets <- lapply(1:5, function(j){E.MTAB.386_eset[1:10, id2[[j]]]})
sapply(subsets, dim)
rm(subsets)

[Package simulatorZ version 1.24.0 Index]