Dynamic Comparative Public Opinion R package DCPO version 0.5.3 Estimates latent variables of public opinion cross-nationally and over time from sparse and incomparable survey data. 'DCPO' uses a population-level graded response model with country-specific item bias terms. Sampling is conducted with 'Stan'. References: Solt (2020) <doi:10.31235/osf.io/d5n9p>. Software Depends: R (>= 3.4.0), Rcpp (>= 0.12.17), methods Imports: rstan (>= 2.18.1), rstantools (>= 2.0.0), beepr, dplyr, forcats, janitor, purrr, tibble, tidyr LinkingTo: StanHeaders (>= 2.18.0), rstan (>= 2.18.1), BH (>= 1.66.0-1), Rcpp (>= 0.12.0), RcppEigen (>= 0.3.3.4.0) Suggests: knitr Frederick Solt <frederick-solt@uiowa.edu> Comprehensive R Archive Network (CRAN) Frederick Solt [aut, cre], Trustees of Columbia University [cph] GPL (>= 3) 2020-05-29 application/tgz https://CRAN.R-project.org/package=DCPO doi:10.32614/CRAN.package.DCPO