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SPIGA (version 1.0.0)

Compute SPI Index using the Methods Genetic Algorithm and Maximum Likelihood

Description

Calculate the Standardized Precipitation Index (SPI) for monitoring drought, using Artificial Intelligence techniques (SPIGA) and traditional numerical technique Maximum Likelihood (SPIML). For more information see: http://drought.unl.edu/monitoringtools/downloadablespiprogram.aspx.

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Version

Install

install.packages('SPIGA')

Monthly Downloads

106

Version

1.0.0

License

GPL-2

Maintainer

Ivn AyalaBizarro

Last Published

June 16th, 2016

Functions in SPIGA (1.0.0)

Drought Index from Parameters

Calculation of standardized precipitation index from alpha and beta parameter of the Gamma function.
SPIDataset

The data set for illustratrating the functions of the SPIGA package
Generic methods for spei objects

Generic methods for SPIGA objects.
Drought Index

Calculation of Standardized Precipitation Index, using the Genetic Algorithm Method (SPIGA) and Maximum Likelihood (SPIML)