* using log directory ‘/data/blackswan/ripley/R/packages/tests-devel/nFunNN.Rcheck’
* using R Under development (unstable) (2025-11-17 r89032)
* 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
* checking for file ‘nFunNN/DESCRIPTION’ ... OK
* this is package ‘nFunNN’ version ‘1.0’
* 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 ‘nFunNN’ 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 ... NOTE
Namespace in Imports field not imported from: ‘stats’
  All declared Imports should be used.
* 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 ... [30m/26m] ERROR
Running examples in ‘nFunNN-Ex.R’ failed
The error most likely occurred in:

> ### Name: nFunNNmodel
> ### Title: Nonlinear FPCA using neural networks
> ### Aliases: nFunNNmodel
> 
> ### ** Examples
> 
> ## No test: 
> n <- 2000
> m <- 51
> t_grid <- seq(0, 1, length.out = m)
> m_est <- 101
> t_grid_est <- seq(0, 1, length.out = m_est)
> err_sd <- 0.1
> Z_1a <- stats::rnorm(n, 0, 3)
> Z_2a <- stats::rnorm(n, 0, 2)
> Z_a <- cbind(Z_1a, Z_2a)
> Phi <- cbind(sin(2 * pi * t_grid), cos(2 * pi * t_grid))
> Phi_est <- cbind(sin(2 * pi * t_grid_est), cos(2 * pi * t_grid_est))
> X <- Z_a %*% t(Phi)
> X_to_est <- Z_a %*% t(Phi_est)
> X_ob <- X + matrix(stats::rnorm(n * m, 0, err_sd), nr = n, nc = m)
> L_smooth <- 10
> L <- 10
> J <- 20
> K <- 2
> R <- 20
> nFunNN_res <- nFunNNmodel(X_ob, t_grid, t_grid_est, L_smooth,
+ L, J, K, R, lr = 0.001, n_epoch = 1500, batch_size = 100)
* 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, 1 NOTE
See
  ‘/data/blackswan/ripley/R/packages/tests-devel/nFunNN.Rcheck/00check.log’
for details.

Command exited with non-zero status 1
Time 27:11.27, 1822.19 + 36.45