Check if database is in 'wide' format

Checks whether key.variable is not duplicated AND there are no separated values in coding variables and returns TRUE of FALSE.

is_wide(key_variable, columns, value_sep = ";")

Arguments

key_variable

A variable used to identify unique articles/studies.
columns

A set of columns containing coded data from within a dataframe
value_sep

A character used to separate values within the data.

Value

Logical argument, TRUE or FALSE

Examples

if (FALSE) {
is_wide(key_variable, columns, value_sep = ';');
}