Condensed to long — condensed_to

Convert from condensed format to long format based on the presence of a given value separator within a given set of columns.

condensed_to_long(data, columns, value_sep = ";")

Arguments

data	A dataframe containing rows of systematic review data in condensed format.
columns	A set of columns containing coded data from within a dataframe.
value_sep	A character used to separate values within the data. The default is set to ';'.

A dataframe in 'long' format.