Defines functions spi spi

Documented in spi

# Computation of the Standardized Precipitation Index (SPI).

# Generic function
spi <- function(x, y,...) UseMethod('spi')

# Fit SPI (previously spi() function). Default method.
spi <-
function(data, scale, kernel=list(type='rectangular',shift=0),
	distribution='Gamma', fit='ub-pwm', na.rm=FALSE,
	ref.start=NULL, ref.end=NULL, x=FALSE, params=NULL, ...)
	sol <- spei(data, scale, kernel, distribution, fit, na.rm,
		ref.start, ref.end, x, params)
	sol$call <- match.call(expand.dots=FALSE)


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SPEI documentation built on May 2, 2019, 11:05 a.m.