View source: R/mutate_new_cols_if_not_exist.R
Adds a column if it doesn't exist in the dataframe
| 1 | mutate_new_cols_if_not_exist(dataframe, column_name, value = "")
 | 
| column_name | character string of new column name | 
| value | character vector of length 1 of the new value. Defaults to "". | 
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