update_gctx: Update the matrix of an existing GCTX file
In cmapR: CMap Tools in R

Description Usage Arguments Details Value Examples

Update the matrix of an existing GCTX file

## S3 method for class 'gctx'
update(...)

update_gctx(x, ofile, rid = NULL, cid = NULL)

`...`	arguments passed on to `update_gctx`
`x`	an array of data
`ofile`	the filename of the GCTX to update
`rid`	integer indices or character ids of the rows to update
`cid`	integer indices or character ids of the columns to update

Overwrite the rows and columns of ofile as indicated by rid and cid respectively. rid and cid can either be integer indices or character ids corresponding to the row and column ids in ofile.

silently returns NULL

## Not run: 
m <- matrix(rnorm(20), nrow=10)
# update by integer indices
update_gctx(m, ofile="my.gctx", rid=1:10, cid=1:2)
# update by character ids
row_ids <- letters[1:10]
col_ids <- LETTERS[1:2]
update_gctx(m, ofile="my.gctx", rid=row_ids, cid=col_ids)

## End(Not run)