• using R Under development (unstable) (2025-12-18 r89199)
• using platform: x86_64-pc-linux-gnu
• R was compiled by     gcc-15 (Debian 15.2.0-11) 15.2.0     GNU Fortran (Debian 15.2.0-11) 15.2.0
• running under: Debian GNU/Linux forky/sid
• using session charset: UTF-8
• checking for file ‘PolyTree/DESCRIPTION’ ... OK
• this is package ‘PolyTree’ version ‘0.0.1’
• package encoding: UTF-8
• checking CRAN incoming feasibility ... [1s/1s] NOTE Maintainer: ‘Sourav Chatterjee <souravc@stanford.edu>’ The Description field contains   Vidyasagar (2022) <arxiv:2209.07028>. The method is fully Please refer to arXiv e-prints via their arXiv DOI <doi:10.48550/arXiv.YYMM.NNNNN>.
• 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 serialization versions ... OK
• checking whether package ‘PolyTree’ can be installed ... OK See the install log for details.
• checking package directory ... OK
• checking for future file timestamps ... 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 ... [0s/1s] OK
• checking whether the package can be loaded with stated dependencies ... [0s/1s] OK
• checking whether the package can be unloaded cleanly ... [0s/0s] OK
• checking whether the namespace can be loaded with stated dependencies ... [0s/0s] OK
• checking whether the namespace can be unloaded cleanly ... [0s/1s] OK
• checking loading without being on the library search path ... [0s/0s] 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 ... [4s/5s] OK
• checking Rd files ... [0s/0s] 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 examples ... [1s/1s] ERROR Running examples in ‘PolyTree-Ex.R’ failed The error most likely occurred in: > base::assign(".ptime", proc.time(), pos = "CheckExEnv") > ### Name: polytree > ### Title: Causal Polytree Estimation > ### Aliases: polytree > > ### ** Examples > > p <- 10 > n <- 200 > x <- matrix(nrow = n, ncol = p) > for (i in 1:n) { + x[i,1] = rnorm(1) + for (j in 2:p) { + x[i,j] = (x[i,j-1] + rnorm(1))/sqrt(2) + } + } > p <- polytree(x) Error in `[.data.table`(df_X, , `:=`(rnn, .randomNN(id)), by = "group") :   attempt access index 2/2 in VECTOR_ELT Calls: polytree ... .estimateConditionalT -> .estimateConditionalS -> [ -> [.data.table Execution halted
• checking PDF version of manual ... [3s/5s] OK
• checking HTML version of manual ... [0s/0s] OK
• checking for non-standard things in the check directory ... OK
• DONE

Status: 1 ERROR, 1 NOTE