clean_sisma_csv()
A helper function that cleans .csv pivot tables
exported from SISMA
clean_sisma_csv
has been superseded in favor of clean_sisma_df
Value
clean_sisma_csv()
returns an object with 7 columns (period, snu,
psnu, sitename, sisma_uid, indicator, value). Unnecessary columns from
the input file are removed and a period column coded from the input
variable periodcode is created. All numeric data element columns that
represent indicator or data element values are pivoted long