Wide to long — wide_to_long • sysrevdata

Convert from wide format to long format based on the prefix for each set of linked values across multiple columns.

wide_to_long(data, column_stem, name_sep = "_")

Arguments

data	A dataframe containing rows of systematic review data in wide format.
column_stem	A set of column descriptors signifying the groups of columns to condense based on a common stem (e.g. 'hazard' represents 'hazard_low', 'hazard_moderate', and 'hazard_high').
value_sep	A character used to separate values within the data. The default is set to ';'.

A dataframe in 'long' format.

if (FALSE) {
long <- wide_to_long(data, column_stem)
long;
}