R version 4.5.3 (2026-03-11 ucrt)
Platform: x86_64-w64-mingw32/x64
Running under: Windows 11 x64 (build 26300)

Matrix products: default
  LAPACK version 3.12.1

locale:
[1] LC_COLLATE=Korean_Korea.utf8  LC_CTYPE=Korean_Korea.utf8    LC_MONETARY=Korean_Korea.utf8 LC_NUMERIC=C                  LC_TIME=Korean_Korea.utf8    

time zone: Asia/Seoul
tzcode source: internal

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

other attached packages:
[1] systemfonts_1.3.2   ragg_1.5.2          ggplot2_4.0.3       patchwork_1.3.2     survival_3.8-6      data.table_1.18.6.1

loaded via a namespace (and not attached):
 [1] vctrs_0.7.1        cli_3.6.5          rlang_1.3.0        generics_0.1.4     textshaping_1.0.5  S7_0.2.1           labeling_0.4.3     glue_1.8.0         scales_1.4.0       grid_4.5.3         tibble_3.3.1       lifecycle_1.0.5   
[13] compiler_4.5.3     dplyr_1.2.0        RColorBrewer_1.1-3 pkgconfig_2.0.3    R.oo_1.27.1        R.utils_2.13.0     farver_2.1.2       lattice_0.22-9     R6_2.6.1           tidyselect_1.2.1   pillar_1.11.1      splines_4.5.3     
[25] magrittr_2.0.4     R.methodsS3_1.8.2  Matrix_1.7-4       withr_3.0.3        gtable_0.3.6      
