Subset a `metamet` object by date

Subsets a `metamet` object to a date range between a start and end date. This is applied to the observation data (`dt`) and the QC (`dt_qc`) and reference data (`dt_ref`) if they are present.

Usage

subset_by_date(
  mm,
  start_date = "2025-01-01 00:30:00",
  end_date = "2026-01-01 00:00:00"
)

Arguments

mm

A `metamet` object containing observation data and metadata.

start_date

Earliest date to include in subset.

end_date

Last date to include in subset.

Value

The `metamet` object `mm`, restricted to between start and end dates.

Details

- Limits all time-referenced data to between the start and end dates. - Dates are inclusive. - Warns if date variable not present.

See also

- rename_era5 for variable renaming - time_average_dt for time-averaging implementation - metamet for object construction

Examples

if (FALSE) { # \dontrun{
mm <- subset_by_date(
  mm,
  start_date = "2025-06-01 00:30:00",
  end_date   = "2025-06-02 00:00:00"
)
} # }