qtl2: read_csv_numer – R documentation

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read_csv_numer

Read a csv file that has numeric columns

Description

Read a csv file via data.table::fread() using a particular set of options, including the ability to transpose the result. This version assumes that the contents other than the first column and the header row are strictly numeric.

Usage

read_csv_numer(
  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_numer("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