qtl2: read_csv – R documentation

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read_csv

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

read_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

Examples

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

qtl2

Quantitative Trait Locus Mapping in Experimental Crosses

v0.24

GPL-3

Authors

Karl W Broman [aut, cre] (<https://orcid.org/0000-0002-4914-6671>), R Core Team [ctb]

Initial release

2020-12-16