* using log directory 'd:/Rcompile/CRANpkg/local/4.5/fdaPDE.Rcheck'
* using R Under development (unstable) (2024-12-21 r87453 ucrt)
* using platform: x86_64-w64-mingw32
* R was compiled by
    gcc.exe (GCC) 13.3.0
    GNU Fortran (GCC) 13.3.0
* running under: Windows Server 2022 x64 (build 20348)
* using session charset: UTF-8
* checking for file 'fdaPDE/DESCRIPTION' ... OK
* this is package 'fdaPDE' version '1.1-20'
* 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 'fdaPDE' can be installed ... OK
* used C compiler: 'gcc.exe (GCC) 13.3.0'
* used C++ compiler: 'g++.exe (GCC) 13.3.0'
* checking C++ specification ... OK
* checking installed package size ... INFO
  installed size is  9.1Mb
  sub-directories of 1Mb or more:
    libs   8.0Mb
* 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 ... [2s] OK
* checking whether the package can be loaded with stated dependencies ... [2s] OK
* checking whether the package can be unloaded cleanly ... [2s] OK
* checking whether the namespace can be loaded with stated dependencies ... [2s] OK
* checking whether the namespace can be unloaded cleanly ... [2s] OK
* checking loading without being on the library search path ... [2s] 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 ... [38s] OK
* checking Rd files ... [1s] OK
* checking Rd metadata ... 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 contents of 'data' directory ... OK
* checking data for non-ASCII characters ... [0s] OK
* checking data for ASCII and uncompressed saves ... OK
* checking line endings in C/C++/Fortran sources/headers ... OK
* checking line endings in Makefiles ... OK
* checking compilation flags in Makevars ... OK
* checking for GNU extensions in Makefiles ... INFO
GNU make is a SystemRequirements.
* checking for portable use of $(BLAS_LIBS) and $(LAPACK_LIBS) ... OK
* checking use of PKG_*FLAGS in Makefiles ... OK
* checking pragmas in C/C++ headers and code ... OK
* checking compiled code ... OK
* checking examples ... [2s] ERROR
Running examples in 'fdaPDE-Ex.R' failed
The error most likely occurred in:

> ### Name: DE.FEM
> ### Title: Nonparametric density estimation with differential
> ###   regularization
> ### Aliases: DE.FEM
> 
> ### ** Examples
> 
> library(fdaPDE)
> 
> ## Create a 2D mesh over a squared domain
> Xbound <- seq(-3, 3, length.out = 10)
> Ybound <- seq(-3, 3, length.out = 10)
> grid_XY <- expand.grid(Xbound, Ybound)
> Bounds <- grid_XY[(grid_XY$Var1 %in% c(-3, 3)) | (grid_XY$Var2 %in% c(-3, 3)), ]
> mesh <- create.mesh.2D(nodes = Bounds, order = 1)
> mesh <- refine.mesh.2D(mesh, maximum_area = 0.2)
> FEMbasis <- create.FEM.basis(mesh)
> 
> ## Generate data
> n <- 50
> set.seed(10)
> data_x <- rnorm(n)
> data_y <- rnorm(n)
> data <- cbind(data_x, data_y)
> 
> plot(mesh)
> points(data, col="red", pch=19, cex=0.5)
> 
> ## Density Estimation
> lambda = 0.1
> sol <- DE.FEM(data = data, FEMbasis = FEMbasis, lambda = lambda, fvec=NULL, heatStep=0.1,
+                   heatIter=500, nsimulations=300,step_method = "Fixed_Step", inference = TRUE)
* checking PDF version of manual ... [33s] OK
* checking HTML version of manual ... [10s] OK
* DONE
Status: 1 ERROR