hyear_start {lfstat}

Extract or guess the Start of a Hydrological Year

Description

Retrieve the start of a hydrological year either from the attributes or from the column 'hyear' of an object of class 'lfobj'.

Usage

hyear_start(x, abbreviate = FALSE)

## S3 method for class 'data.frame'
hyear_start(x, abbreviate = FALSE)

## S3 method for class 'xts'
hyear_start(x, abbreviate = FALSE)

hyear_start(x) <- value
## S3 replacement method for class 'xts'
hyear_start(x) <- value
## S3 replacement method for class 'lfobj'
hyear_start(x) <- value

Arguments

x

object of which the start of the hydrological year should be determined.

abbreviate

logical. Should the names be abbreviated?

value

numeric vector of length one. Month in which the hydrological year starts.

Details

If a valid start of an hydrological year is found in the attributes, it is returned. Otherwise if a column 'hyear' exists, it is used. If this is note possible the integer number one is returned (for January) and a warning is issued.

Value

a vector of length one, either of type character (abbreviate = TRUE) or numeric.

See Also

water_year

Examples

data(ngaruroro)
hyear_start(ngaruroro)

data(ray)
hyear_start(ray, abbreviate = TRUE)