read_gctx_meta: Parse row or column metadata from GCTX files

In cmapR: CMap Tools in R

Description

Parse row or column metadata from GCTX files

Usage

read.gctx.meta(...)

read_gctx_meta(gctx_path, dim = "row", ids = NULL)

Arguments

...	arguments passed on to read_gctx_meta
gctx_path	the path to the GCTX file
dim	which metadata to read (row or column)
ids	a character vector of a subset of row/column ids for which to read the metadata

Value

a data.frame of metadata

See Also

Other GCTX parsing functions: GCT, append.dim(), fix.datatypes(), parse.gctx(), process_ids(), read.gctx.ids(), write.gctx.meta(), write.gctx(), write.gct()

Examples

gct_file <- system.file("extdata", "modzs_n25x50.gctx", package="cmapR") 
# row meta
row_meta <- read_gctx_meta(gct_file)
str(row_meta)
# column meta
col_meta <- read_gctx_meta(gct_file, dim="column")
str(col_meta)
# now for only the first 10 ids
col_meta_first10 <- read_gctx_meta(gct_file, dim="column",
ids=col_meta$id[1:10])
str(col_meta_first10)

cmapR documentation built on Dec. 12, 2020, 2 a.m.