trans_array: trans_array

In tinyarray: Expression Data Analysis and Visualization

trans_array

Description

transform rownames for microarray or rnaseq expression matrix

Usage

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

Arguments

exp	microarray or RNA-seq expression matrix
ids	data.frame with original rownames and new rownames
from	colname for original rownames
to	colname for new rownames
average	logical, if TRUE, average rows that map to the same target symbol; if FALSE, keep the first matched row for each symbol.

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)
trans_array(exp,ids,average = TRUE)

tinyarray documentation built on Aug. 2, 2026, 9:07 a.m.