Read in file header

read_header(path, n = 2L, skip_vcf_metadata = FALSE, nThread = 1)

Arguments

path

Filepath for the summary statistics file to be formatted. A dataframe or datatable of the summary statistics file can also be passed directly to MungeSumstats using the path parameter.

n

integer. The (maximal) number of lines to read. Negative values indicate that one should read up to the end of input on the connection.

skip_vcf_metadata

logical, should VCF metadata be ignored

nThread

Number of threads to use for parallel processes.

Value

First n lines of the VCF header

Examples

path <- system.file("extdata", "eduAttainOkbay.txt", 
                    package = "MungeSumstats") 
header <- read_header(path = path)                    
#> Reading header.