* using log directory ‘/data/blackswan/ripley/R/packages/tests-devel/engression.Rcheck’ * using R Under development (unstable) (2026-04-10 r89868) * using platform: x86_64-pc-linux-gnu * R was compiled by gcc (GCC) 14.2.1 20240912 (Red Hat 14.2.1-3) GNU Fortran (GCC) 14.2.1 20240912 (Red Hat 14.2.1-3) * running under: Fedora Linux 40 (Workstation Edition) * using session charset: UTF-8 * current time: 2026-04-11 10:09:16 UTC * checking for file ‘engression/DESCRIPTION’ ... OK * this is package ‘engression’ version ‘0.1.5’ * 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 ‘engression’ can be installed ... 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 ... OK * checking whether the package can be loaded with stated dependencies ... OK * checking whether the package can be unloaded cleanly ... OK * checking whether the namespace can be loaded with stated dependencies ... OK * checking whether the namespace can be unloaded cleanly ... OK * checking loading without being on the library search path ... 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 ... 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 examples ... OK * checking examples with --run-donttest ... ERROR Running examples in ‘engression-Ex.R’ failed The error most likely occurred in: > ### Name: engression > ### Title: Engression Function > ### Aliases: engression > > ### ** Examples > > ## No test: > n = 1000 > p = 5 > > X = matrix(rnorm(n*p),ncol=p) > Y = (X[,1]+rnorm(n)*0.1)^2 + (X[,2]+rnorm(n)*0.1) + rnorm(n)*0.1 > Xtest = matrix(rnorm(n*p),ncol=p) > Ytest = (Xtest[,1]+rnorm(n)*0.1)^2 + (Xtest[,2]+rnorm(n)*0.1) + rnorm(n)*0.1 > > ## fit engression object > engr = engression(X,Y) Error: Lantern is not loaded. Please use `install_torch()` to install additional dependencies. Execution halted * checking PDF version of manual ... OK * checking for non-standard things in the check directory ... OK * checking for detritus in the temp directory ... OK * checking for new files in some other directories ... OK * DONE Status: 1 ERROR See ‘/data/blackswan/ripley/R/packages/tests-devel/engression.Rcheck/00check.log’ for details. Command exited with non-zero status 1 Time 1:16.63, 47.54 + 27.97