Utility function to chain multiple requests to npn_get_data for requests where data should only be retrieved on an annual basis, or otherwise automatically be delineated in some way. Results in a data table that's a combined set of the results from each request to the data service.
npn_get_data_by_year(
endpoint,
query,
years,
download_path = NULL,
six_leaf_layer = FALSE,
six_bloom_layer = FALSE,
agdd_layer = NULL,
six_sub_model = NULL,
additional_layers = NULL
)Data table - a data table combining each requests results from the service.
String, the endpoint to query.
Base query string to use. This includes all the user selected parameters but doesn't include start/end date which will be automatically generated and added.
List of strings; the years for which to retrieve data. There will be one request to the service for each year
String, optional file path to the file for which to output the results.