Description Usage Arguments Details Value
Clean up a data frame by changing all column names to lower case, removing spaces and punctuation.
| 1 | 
| df | a data frame | 
| keep.underscore | a logical value indicating whether underscores be kept or removed | 
| pidmpattern | a regular expression to be matched against the names of df. Set to  | 
If no column named pidm is found and pidmpattern is not NULL, then we look if there's only
a data frame of class tbl_df.
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