Load environmental data from a CSV file

Usage

load_csv_environmental_data(file_path, lag_months, impacted_group)

Arguments

file_path

A string. Path to the CSV file containing the environmental data. The CSV file must contain the following columns:

index: Name of the environmental index (character).
year: Year corresponding to each value (integer).
month: Month corresponding to each value (integer).
value: Value of the index (numeric).
unit: Unit of the index (character).

lag_months

An integer. The lag between environmental index and functional group, in months. For example, if lag_months = 12, the environmental effect is assumed to influence the functional group with a 12-month delay.

impacted_group

A string indicating the functional group impacted by the environmental index.

Value

A tibble containing the environmental data with lag and functional group information.

Examples

data <- load_csv_environmental_data(
  file_path = file.path(
    system.file("extdata", package = "ecosystemom"),
    "ewe_ecosim_with_environmental_data_nwatlantic", "amo_lag1.csv"
  ),
  lag_months = 12,
  impacted_group = "menhaden 0"
)