hydrotoolbox (version 1.1.2)

agg2annually: Aggregates a data frame to annually resolution

Description

Aggregates a data frame to annually resolution

Usage

agg2annually(df, col_name, fun, allow_na = 0, start_month = 1, end_month = 12)

Value

A data frame with the Date and the aggregated variable(s).

Arguments

df

data frame with class Date or POSIXct in the first column.

col_name

string (vector) with the name(s) of the column(s) to aggregate.

fun

string (vector) containing the name(s) of function(s) to use: mean, min, max, sum, last or first.

allow_na

optional. Numeric value with the maximum allowed number of NA_real_ values. By default the function will not tolerate any NA_real_ in an aggregation period (and will return NA_real_ instead).

start_month

numeric value defining the first month of the annually period. Default sets to 1 (January).

end_month

numeric value defining the last month of the annually period. Default sets to 12 (December).