Standardized Climate Indices Such as SPI, SRI or SPEI
Overview
Functions for generating Standardized Climate Indices (SCI). 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).
Install
Health
- OK13 OK2026-09-08
- ERROR12 OK, 1 ERROR2026-09-07
- OK13 OK2026-08-05
- NOTE12 OK, 1 NOTE2026-08-01
- OK14 OK2026-03-10
Documentation
- Help pages
- 5includes a package overview page
- Examples that run
- 100%5 run in a plain check
- Exported functions with examples
- 100%
- Documented parameters
- 75%
- Return-value docs
- 100%
- Help pages citing references
- 80%
Downloads
Dependencies
Installing SCI adds 7 packages (5 with compiled code, 7.0 MB of source tarballs). Heaviest: fitdistrplus 2.4 MB, Rcpp 1.8 MB, RcppArmadillo 1.0 MB.
Code & Tests
People & History
Pick two releases to compare their code metrics.
- RR 4.6.0 released · 2026-04-24
- 1.0-3Latest
- RR 4.5.0 released · 2025-04-11
- RR 4.4.0 released · 2024-04-24
- RR 4.3.0 released · 2023-04-21
- RR 4.2.0 released · 2022-04-22
- RR 4.1.0 released · 2021-05-18
- RR 4.0.0 released · 2020-04-24
- RR 3.6.0 released · 2019-04-26
- RR 3.5.0 released · 2018-04-23
- RR 3.4.0 released · 2017-04-21
- 1.0-22016-05-03 · diff ↗
- RR 3.3.0 released · 2016-05-03
- RR 3.2.0 released · 2015-04-16
- 1.0-12014-06-10 · diff ↗
- RR 3.1.0 released · 2014-04-10
Show 2 earlier eventsHide 2 earlier events
- 1.0-02014-02-28
- RR 3.0.0 released · 2013-04-03
Package metadata
- First published
- 2014-02-28
- Total releases
- 4 / 12 yrs
- License
- GPL (>= 2) OSI
- Download size
- 13 KB
Cite
Cite this package
Run in R for the authors' preferred citation:
citation("SCI")The package provides a citation file that builds its entry when R runs it. Run citation() to see it.
Cite the R Observatory
For a number measured here: a download total, a coverage figure, an archival date.
From data release v2026-10-19, which the citation names so these numbers can be found later. More on citing and the projects behind them.