• using R Under development (unstable) (2026-02-03 r89374)
• using platform: x86_64-pc-linux-gnu
• R was compiled by     clang version 21.1.8     flang version 21.1.8
• running under: Fedora Linux 42 (Workstation Edition)
• using session charset: UTF-8 * current time: 2026-02-03 22:15:11Z
• using option ‘--no-stop-on-test-error’
• checking for file ‘DIDmultiplegt/DESCRIPTION’ ... OK
• checking extension type ... Package
• this is package ‘DIDmultiplegt’ version ‘2.0.0’
• package encoding: UTF-8
• checking package namespace information ... OK
• checking package dependencies ... OK
• checking if this is a source package ... OK
• checking if there is a namespace ... OK
• checking for executable files ... OK
• checking for hidden files and directories ... OK
• checking for portable file names ... OK
• checking for sufficient/correct file permissions ... OK
• checking whether package ‘DIDmultiplegt’ can be installed ... [21s/45s] OK See the install log for details.
• checking installed package size ... OK
• checking package directory ... OK
• checking DESCRIPTION meta-information ... OK
• checking top-level files ... OK
• checking for left-over files ... OK
• checking index information ... OK
• checking package subdirectories ... OK
• checking code files for non-ASCII characters ... OK
• checking R files for syntax errors ... OK
• checking whether the package can be loaded ... [9s/18s] OK
• checking whether the package can be loaded with stated dependencies ... [7s/12s] OK
• checking whether the package can be unloaded cleanly ... [7s/12s] OK
• checking whether the namespace can be loaded with stated dependencies ... [7s/14s] OK
• checking whether the namespace can be unloaded cleanly ... [8s/14s] OK
• checking loading without being on the library search path ... OK
• checking use of S3 registration ... OK
• checking dependencies in R code ... OK
• checking S3 generic/method consistency ... OK
• checking replacement functions ... OK
• checking foreign function calls ... OK
• checking R code for possible problems ... [38s/51s] OK
• checking Rd files ... OK
• checking Rd metadata ... OK
• checking Rd line widths ... OK
• checking Rd cross-references ... OK
• checking for missing documentation entries ... OK
• checking for code/documentation mismatches ... OK
• checking Rd \usage sections ... OK
• checking Rd contents ... OK
• checking for unstated dependencies in examples ... OK
• checking contents of ‘data’ directory ... OK
• checking data for non-ASCII characters ... OK
• checking LazyData ... OK
• checking data for ASCII and uncompressed saves ... OK
• checking examples ... [14s/17s] ERROR Running examples in ‘DIDmultiplegt-Ex.R’ failed The error most likely occurred in: > ### Name: did_multiplegt > ### Title: Main function > ### Aliases: did_multiplegt > > ### ** Examples > > # Test all modes using Vella and Verbeek (1998) data: > data("wagepan_mgt") > wagepan_mgt$X <- runif(n=nrow(wagepan_mgt)) * (wagepan_mgt$year >= 1983) > Y = "lwage" > G = "nr" > T = "year" > D = "union" > X = "X" > did_multiplegt(mode = "old", wagepan_mgt, Y, G, T, D) $effect treatment 0.0261226 $N_effect [1] 3815 $N_switchers_effect [1] 508 > did_multiplegt(mode = "dyn", wagepan_mgt, Y, G, T, D, graph_off = TRUE) Error: The 'polars' package is required but not installed. Please install it from r-universe with:   install.packages('polars', repos = 'https://rpolars.r-universe.dev') Execution halted
• checking PDF version of manual ... OK
• checking HTML version of manual ... OK
• checking for non-standard things in the check directory ... OK
• checking for detritus in the temp directory ... OK
• DONE

Status: 1 ERROR