Calculate aggregated values for specified locations

This function calculates aggregated values for specified locations from a raster dataset.

Usage

calc_narr2(from, locs, locs_id = NULL, radius = 0, fun = "mean", ...)

from: The raster dataset from which to extract values.
locs: A data frame containing the locations for which to calculate aggregated values. It should have a column in locs_id value that contains unique identifiers for each location.
locs_id: An optional column name in the locs data frame that contains additional location identifiers.
radius: The radius within which to include neighboring locations for aggregation. Default is 0.
fun: The aggregation function to use. It can be a character string specifying a function name (e.g., "mean", "sum"), or it can be a custom function. Default is "mean".
...: Additional arguments to be passed to the aggregation function.

A data frame containing the aggregated values for each location and time point.