Standardized Climate Indices Such as SPI, SRI or SPEI

Functions for generating Standardized Climate Indices (SCI). SCI is a transformation of (smoothed) climate (or environmental) time series that removes seasonality and forces the data to take values of the standard normal distribution. SCI was originally developed for precipitation. In this case it is known as the Standardized Precipitation Index (SPI).


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Reference manual

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install.packages("SCI")

1.0-2 by Lukas Gudmundsson, 5 years ago


Browse source code at https://github.com/cran/SCI


Authors: Lukas Gudmundsson & James H. Stagge


Documentation:   PDF Manual  


Task views: Probability Distributions, Hydrological Data and Modeling


GPL (>= 2) license


Depends on fitdistrplus, lmomco

Suggests evd


See at CRAN