R version 4.6.1 (2026-06-24 ucrt)
Platform: x86_64-w64-mingw32/x64
Running under: Windows 11 x64 (build 26300)

Matrix products: default
  LAPACK version 3.12.1

Random number generation:
 RNG:     L'Ecuyer-CMRG 
 Normal:  Inversion 
 Sample:  Rejection 
 
locale:
[1] C
system code page: 65001

tzcode source: internal

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
[1] sandwich_3.1-3 BMS_0.3.5      readxl_1.6.0  

loaded via a namespace (and not attached):
 [1] cellranger_1.1.0 lattice_0.22-9   magrittr_2.0.5   glue_1.8.1      
 [5] zoo_1.9-1        tibble_3.3.1     pkgconfig_2.0.3  lifecycle_1.0.5 
 [9] cli_3.6.6        grid_4.6.1       vctrs_0.7.3      compiler_4.6.1  
[13] tools_4.6.1      pillar_1.11.1    rlang_1.3.0     

Package versions used for the reported results (from work/compute/validation/package_versions.csv and packageVersion()):
BMS 0.3.5; readxl 1.6.0; sandwich 3.1.3; lmtest 0.9.40; clubSandwich 0.7.0; writexl 2.0.1; data.table 1.18.6.1; parallel (base R).
Stata/MP 15 with user-written SSC commands winsor2 1.1 (2014.12.16), ivreg2 4.1.12 (14aug2024), ranktest 2.0.04 (21sept2020) and collin 1.6 (23nov2010).
