• using R Under development (unstable) (2025-09-03 r88788 ucrt)
• using platform: x86_64-w64-mingw32
• R was compiled by     gcc.exe (GCC) 14.2.0     GNU Fortran (GCC) 14.2.0
• running under: Windows Server 2022 x64 (build 20348)
• using session charset: UTF-8
• checking for file 'shrinkGPR/DESCRIPTION' ... OK
• checking extension type ... Package
• this is package 'shrinkGPR' version '1.1'
• 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 hidden files and directories ... OK
• checking for portable file names ... OK
• checking whether package 'shrinkGPR' can be installed ... 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 ... [3s] OK
• checking whether the package can be loaded with stated dependencies ... [3s] OK
• checking whether the package can be unloaded cleanly ... [3s] OK
• checking whether the namespace can be loaded with stated dependencies ... [3s] OK
• checking whether the namespace can be unloaded cleanly ... [3s] OK
• checking loading without being on the library search path ... [3s] OK
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• checking dependencies in R code ... OK
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• checking foreign function calls ... OK
• checking R code for possible problems ... [9s] OK
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• checking Rd cross-references ... OK
• checking for missing documentation entries ... OK
• checking for code/documentation mismatches ... OK
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• checking for unstated dependencies in examples ... OK
• checking examples ... [4s] ERROR Running examples in 'shrinkGPR-Ex.R' failed The error most likely occurred in: > ### Name: kernel_functions > ### Title: Kernel Functions for Gaussian Processes > ### Aliases: kernel_functions kernel_se kernel_matern_12 kernel_matern_32 > ### kernel_matern_52 > > ### ** Examples > > if (torch::torch_is_installed()) { + # Example inputs + torch::torch_manual_seed(123) + n_latent <- 3 + d <- 2 + N <- 5 + thetas <- torch::torch_randn(n_latent, d)$abs() + tau <- torch::torch_randn(n_latent)$abs() + x <- torch::torch_randn(N, d) + + # Compute the SE kernel + K_se <- kernel_se(thetas, tau, x) + print(K_se) + + # Compute the Matérn 3/2 kernel + K_matern32 <- kernel_matern_32(thetas, tau, x) + print(K_matern32) + + # Compute the Matérn 5/2 kernel with x_star + x_star <- torch::torch_randn(3, d) + K_matern52 <- kernel_matern_52(thetas, tau, x, x_star) + print(K_matern52) + }
• checking for unstated dependencies in 'tests' ... OK
• checking tests ... [3s] ERROR   Running 'testthat.R' [3s] Running the tests in 'tests/testthat.R' failed. Complete output:   > # This file is part of the standard setup for testthat.   > # It is recommended that you do not modify it.   > #   > # Where should you do additional test configuration?   > # Learn more about the roles of various files in:   > # * https://r-pkgs.org/testing-design.html#sec-tests-files-overview   > # * https://testthat.r-lib.org/articles/special-files.html   >   > library(testthat)   > library(shrinkGPR)      Welcome to shrinkGPR version 1.1.       NOTE: No CUDA installation detected. This may be quite slow for larger datasets.   Consider installing CUDA for GPU acceleration. Information on this can be found at:   https://cran.r-project.org/web/packages/torch/vignettes/installation.html   >   > test_check("shrinkGPR")
• checking PDF version of manual ... [27s] OK
• checking HTML version of manual ... [4s] OK
• DONE

Status: 2 ERRORs