This function takes a dataframe and a list of matching columns, along with a mapping file,
and renames the columns in the dataframe based on the mapping file.
     
    
    Usage
    rename_columns(df, matching_cols, dfTableau_naming)
 
     
    
    Arguments
- df
 
A dataframe.
 
- matching_cols
 
A character vector of column names in df that match with the mapping file.
 
- dfTableau_naming
 
A dataframe containing the mapping between old and new column names.
 
 
    
    Value
    The dataframe with renamed columns.
     
    
    Examples
    if (FALSE) { # \dontrun{
df <- rename_columns(df, matching_cols, dfTableau_naming)
} # }