Declarative API for Staged Survey Weights R package weightflow version 0.2.0 CRAN Task View: OfficialStatistics (https://CRAN.R-project.org/view=OfficialStatistics) Builds survey weights from design base weights by chaining hierarchical adjustments (unknown eligibility, nonresponse and calibration) through a declarative, pipeable, 'tidymodels'-style API. Calibration follows Deville and Sarndal (1992) <doi:10.2307/2290268>. Variances are obtained with a bootstrap that resamples primary sampling units and re-applies the whole recipe on each replicate, following the rescaling bootstrap of Rao and Wu (1988) <doi:10.1080/01621459.1988.10478591>, so the replicate weights carry the variability of every adjustment. The weights also bridge to the 'survey' and 'srvyr' packages for design-based inference. Software Depends: R (>= 4.1.0) Imports: stats, utils, graphics Suggests: MASS, rpart, ranger, testthat (>= 3.0.0), survey, srvyr, dplyr, tidyr, ggplot2, haven, archive, knitr, rmarkdown, spelling, xgboost Juan Pablo Ferreira <juanpablo.ferreira@fcea.edu.uy> Comprehensive R Archive Network (CRAN) Juan Pablo Ferreira [aut, cre] MIT + file LICENSE (https://CRAN.R-project.org/package=weightflow/LICENSE) 2026-07-22 application/tgz https://CRAN.R-project.org/package=weightflow doi:10.32614/CRAN.package.weightflow en-US