fread_csv: Read a csv file

In qtl2: Quantitative Trait Locus Mapping in Experimental Crosses

Read a csv file

Description

Read a csv file via data.table::fread() using a particular set of options, including the ability to transpose the result.

Usage

fread_csv(
  filename,
  sep = ",",
  na.strings = c("NA", "-"),
  comment.char = "#",
  transpose = FALSE,
  rownames_included = TRUE
)

Arguments

filename	Name of input file
sep	Field separator
na.strings	Missing value codes
comment.char	Comment character; rest of line after this character is ignored
transpose	If TRUE, transpose the result
rownames_included	If TRUE, the first column is taken to be row names.

Details

Initial two lines can contain comments with number of rows and columns. Number of columns includes an ID column; number of rows does not include the header row.

The first column is taken to be a set of row names

Value

Data frame

See Also

fread_csv_numer()

Examples

## Not run: mydata <- fread_csv("myfile.csv", transpose=TRUE)

qtl2 documentation built on May 29, 2024, 11:46 a.m.