spi3: Standardized precipitation index 3

Description Usage Arguments Value References Examples

Description

Standardized precipitation index calculated at 3-month time scale

Usage

1
spi3(data, data_names = NULL, na.rm = FALSE, ...)

Arguments

data

daily precipitation, mm

data_names

names of each period of time

na.rm

logical. Should missing values (including NaN) be removed?

...

further arguments passed to or from other methods

Value

index value

References

McKee, T. B., Doesken, N. J. and Kleist, J.: The relationship of drought frequency and duration to time scales, Eighth Conf. Appl. Climatol., 179–184, 1993.

Examples

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2

ClimInd documentation built on April 10, 2021, 1:06 a.m.