hyear_start: 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 data.frame
hyear_start(x, abbreviate = FALSE)
# S3 method for xts
hyear_start(x, abbreviate = FALSE)
hyear_start(x) <- value
# S3 method for xts
hyear_start(x) <- value
# S3 method for lfobj
hyear_start(x) <- value
Value
a vector of length one, either of type character (abbreviate = TRUE) or numeric.
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.