deseats: Data-Driven Locally Weighted Regression for Trend and Seasonality in TS

Various methods for the identification of trend and seasonal components in time series (TS) are provided. Among them is a data-driven locally weighted regression approach with automatically selected bandwidth for equidistant short-memory time series. The approach is a combination / extension of the algorithms by Feng (2013) <doi:10.1080/02664763.2012.740626> and Feng, Y., Gries, T., and Fritz, M. (2020) <doi:10.1080/10485252.2020.1759598> and a brief description of this new method is provided in the package documentation and in more detail in Schulz (2026) <doi:10.32614/RJ-2026-025>. Furthermore, the package allows its users to apply the base model of the Berlin procedure, version 4.1, as described in Speth (2004) <https://www.destatis.de/DE/Methoden/Saisonbereinigung/BV41-methodenbericht-Heft3_2004.pdf?__blob=publicationFile>. Permission to include this procedure was kindly provided by the Federal Statistical Office of Germany.

Version: 1.1.3
Depends: R (≥ 2.10), methods
Imports: Rcpp (≥ 1.0.6), ggplot2, stats, graphics, animation, utils, shiny, tools, zoo, future, furrr, future.apply, progressr, purrr, rlang, tidyr
LinkingTo: Rcpp, RcppArmadillo
Suggests: badger, knitr, rmarkdown, smoots, testthat (≥ 3.0.0)
Published: 2026-10-11
DOI: 10.32614/CRAN.package.deseats
Author: Yuanhua Feng [aut] (Paderborn University, Germany), Dominik Schulz [aut, cre] (formerly Paderborn University, Germany)
Maintainer: Dominik Schulz <dominik.schulz.r at gmail.com>
License: GPL-3
URL: https://github.com/dschulz13/deseats
NeedsCompilation: yes
Citation: deseats citation info
Materials: README, NEWS
In views: TimeSeries
CRAN checks: deseats results

Documentation:

Reference manual: deseats.html , deseats.pdf
Vignettes: Introduction to deseats (source, R code)

Downloads:

Package source: deseats_1.1.3.tar.gz
Windows binaries: r-devel: deseats_1.1.2.zip, r-release: deseats_1.1.2.zip, r-oldrel: deseats_1.1.2.zip
macOS binaries: r-release (arm64): deseats_1.1.3.tgz, r-oldrel (arm64): deseats_1.1.3.tgz, r-release (x86_64): deseats_1.1.3.tgz, r-oldrel (x86_64): deseats_1.1.3.tgz
Old sources: deseats archive

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