collapse: Advanced and Fast Data Transformation

A C/C++ based package for advanced data transformation and statistical computing in R that is extremely fast, flexible and parsimonious to code with and programmer friendly. It is well integrated with 'dplyr', 'plm' and 'data.table'. — Key Features: — (1) Advanced statistical programming: A full set of fast statistical functions supporting grouped and weighted computations on vectors, matrices and data frames. Fast and programmable grouping, ordering, unique values / rows, factor generation and interactions. Fast and flexible functions for data manipulation and data object conversions. (2) Advanced aggregation: Fast and easy multi-data-type, multi-function, weighted, parallelized and fully customized data aggregation. (3) Advanced transformations: Fast (grouped) replacing and sweeping out of statistics, and (grouped, weighted) scaling / standardizing, between (averaging) and (quasi-)within (centering / demeaning) transformations, higher-dimensional centering (i.e. multiple fixed effects transformations), linear prediction and partialling-out. (4) Advanced time-computations: Fast (sequences of) lags / leads, and (lagged / leaded, iterated, quasi-, log-) differences and growth rates on (unordered) time series and panel data. Multivariate auto-, partial- and cross-correlation functions for panel data. Panel data to (ts-)array conversions. (5) List processing: (Recursive) list search / identification, extraction / subsetting, data-apply, and generalized row-binding / unlisting in 2D. (6) Advanced data exploration: Fast (grouped, weighted, panel-decomposed) summary statistics for complex multilevel / panel data.

Version: 1.3.2
Depends: R (≥ 3.5.0)
Imports: Rcpp (≥ 1.0.1), lfe (≥ 2.7)
LinkingTo: Rcpp
Suggests: dplyr, plm, data.table, matrixStats, magrittr, ggplot2, scales, vars, knitr, rmarkdown, testthat, microbenchmark, covr
Published: 2020-09-13
Author: Sebastian Krantz [aut, cre], Matt Dowle [ctb], Arun Srinivasan [ctb], Simen Gaure [ctb], Dirk Eddelbuettel [ctb], R Core Team and contributors worldwide [ctb], Martyn Plummer [cph], 1999-2016 The R Core Team [cph]
Maintainer: Sebastian Krantz <sebastian.krantz at>
License: GPL-2 | GPL-3 | file LICENSE [expanded from: GPL (≥ 2) | file LICENSE]
NeedsCompilation: yes
SystemRequirements: C++11
Materials: NEWS
In views: Econometrics, OfficialStatistics, TimeSeries
CRAN checks: collapse results


Reference manual: collapse.pdf
Vignettes: collapse and dplyr: Fast (Weighted) Aggregations and Transformations in a Piped Workflow
collapse and plm: Fast Transformation and Exploration of Panel Data
Introduction to collapse: Advanced and Fast Data Transformation in R
Package source: collapse_1.3.2.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
macOS binaries: r-release: collapse_1.3.2.tgz, r-oldrel: collapse_1.3.2.tgz
Old sources: collapse archive


Please use the canonical form to link to this page.