Description Usage Arguments Value Examples
Get list, one element per variable, of union of levels of a set of variables in a set of files.
1 | unite_levels(file_list, factor_vars)
|
file_list |
List of file names, in .rds format |
factor_vars |
Character vector of variable names to find union of levels for |
Named list containing the union of values appearing in each variable in factor_vars
across all files in file_list
.
1 | unite_levels(files, c("factor_variable_1","factor_variable_2"))
|
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