This function reads a standard Plink *.bim file into a tibble with named columns.
readr::read_table2() to do it efficiently.
Input file (whatever is accepted by
A tibble with columns:
read_plink() for reading a set of BED/BIM/FAM files.
Plink BIM format reference: https://www.cog-genomics.org/plink/1.9/formats#bim
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# to read "data.bim", run like this: # bim <- read_bim("data") # this also works # bim <- read_bim("data.bim") # The following example is more awkward # because package sample data has to be specified in this weird way: # read an existing Plink *.bim file file <- system.file("extdata", 'sample.bim', package = "genio", mustWork = TRUE) bim <- read_bim(file) bim # can specify without extension file <- sub('\\.bim$', '', file) # remove extension from this path on purpose file # verify .bim is missing bim <- read_bim(file) # loads too! bim
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