setChar: Set the class of each variable in data to character.

In david-salgado/fastReadfwf: Fast read of fwf files with arbitrary input schema

Description

setChar Set the class of each variable in data to character and the NA values to empty string.

Usage

setChar(data)

Arguments

data	It can be a data.table or a tibble.

Value

Returns a data.table or a tibble with the content of data but with all the columns set to character.

See Also

fwrite_fwf setTypes

Examples

path <- system.file('extdata', package = 'fastReadfwf')
stSchema <- fastReadfwf::StxlsxToSchema(file.path(path, 'SchemaSNHS.xlsx'), 'stSchema')

# For data.tables
data.DT.char <- fread_fwf(
     file.path(path, 'MicroDataSNHS.txt'), stSchema, validate = FALSE, convert = FALSE,
       outFormat = 'data.table', perl = TRUE)
data.DT.types <- setTypes(data.DT.char, stSchema)
data.DT.back <- setChar(data.DT.types)
head(data.DT.types)

# For tibbles
 data.tibble.char <- fread_fwf(
      file.path(path, 'MicroDataSNHS.txt'), stSchema, validate = FALSE, convert = FALSE,
       outFormat = 'tibble')
 data.tibble.types <- setTypes(data.tibble.char, stSchema)
 data.tibble.back <- setChar(data.tibble.types)
 head(data.tibble.types)

david-salgado/fastReadfwf documentation built on Dec. 25, 2021, 12:43 p.m.