trans_array {tinyarray}

trans_array

Description

transform rownames for microarray or rnaseq expression matrix

Usage

trans_array(exp, ids, from = "probe_id", to = "symbol")

Arguments

exp

microarray expression matrix with probe_id as rownames

ids

data.frame with original rownames and new rownames

from

colname for original rownames

to

colname for new rownames

Value

a transformed expression set with new rownames

Author(s)

Xiaojie Sun

See Also

trans_exp

Examples

exp = matrix(1:50,nrow = 10)
rownames(exp) = paste0("g",1:10)
ids = data.frame(probe_id = paste0("g",1:10),
                symbol = paste0("G",c(1:9,9)))
trans_array(exp,ids)