filter_sites
filter_sites.Rd
Filter down to sites with num_years of data
Arguments
- x
aquifer data
- parameter_cd
character, 5-digit parameter code, default is "72019".
- num_years
integer number of years required. This can be
NA
, in which case the filter will use the full range of the data.- start_year
integer the first year to filter from. If
NA
, the filter will use the minimum from the data.- end_year
integer the last year to filter from. If
NA
, the filter will use the last year.