* using log directory 'd:/Rcompile/CRANpkg/local/4.7/tourr.Rcheck'
* using R Under development (unstable) (2026-06-04 r90104 ucrt)
* using platform: x86_64-w64-mingw32
* R was compiled by
    gcc.exe (GCC) 14.3.0
    GNU Fortran (GCC) 14.3.0
* running under: Windows Server 2022 x64 (build 20348)
* using session charset: UTF-8
* current time: 2026-06-05 21:55:45 UTC
* checking for file 'tourr/DESCRIPTION' ... OK
* this is package 'tourr' version '1.2.7'
* 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 'tourr' can be installed ... OK
* checking installed package size ... OK
* checking package directory ... OK
* checking 'build' 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 ... [0s] OK
* checking whether the package can be loaded with stated dependencies ... [0s] OK
* checking whether the package can be unloaded cleanly ... [0s] OK
* checking whether the namespace can be loaded with stated dependencies ... [0s] OK
* checking whether the namespace can be unloaded cleanly ... [0s] OK
* checking loading without being on the library search path ... [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 ... [8s] OK
* checking Rd files ... [2s] 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 LazyData ... OK
* checking data for ASCII and uncompressed saves ... OK
* checking installed files from 'inst/doc' ... OK
* checking files in 'vignettes' ... OK
* checking examples ... [28s] ERROR
Running examples in 'tourr-Ex.R' failed
The error most likely occurred in:

> ### Name: path_dist
> ### Title: Compute distance matrix from bases.
> ### Aliases: path_dist
> 
> ### ** Examples
> 
> # This code is to be used as an example but you should increase
> # the max from 2 to 50, say, to check tour coverage.
> flea_std <- apply(flea[,1:6], 2, function(x) (x-mean(x))/sd(x))
> grand <- interpolate(save_history(flea_std, max = 2), 0.2)
> # The grand tour  -----------------------------
> # Look at the tour path in a tour, how well does it cover a sphere
> # Using MDS to summarise the high-d space of projections
> # Last basis is a duplicate, needs removing
> d <- path_dist(grand[,,-dim(grand)[[3]]])
> ord <- as.data.frame(MASS::isoMDS(d)$points)
initial  value 0.005709 
final  value 0.003478 
converged
> require(ggplot2)
Loading required package: ggplot2
> ggplot(data = ord, aes(x=V1, y=V2)) +
+   geom_path() +
+   coord_equal() +
+   labs(x = NULL, y = NULL)
> 
> # Compare five guided tours  -----------------------------
> holes1d <- guided_tour(holes(), 1)
> tour_reps <- replicate(5, save_history(flea_std, holes1d, max = 2),
+   simplify = FALSE
+ )
Target: 0.684, 32.6% better 
Target: 1.202, 80.6% better 
Target: 0.922, 23.3% better 
Target: 1.383, 65.4% better 
Target: 0.646, 36.3% better 
> tour_reps2 <- lapply(tour_reps, interpolate, 0.2)
> 
> bases <- unlist(lapply(tour_reps2, as.list), recursive = FALSE)
> class(bases) <- "history_list"
> index_values <- paths_index(tour_reps2, holes())
Error in unclass(x)[i, j, k, drop = FALSE] : 
  incorrect number of dimensions
Calls: paths_index ... structure -> apply -> array -> [ -> [.history_array
Execution halted
* checking for unstated dependencies in 'tests' ... OK
* checking tests ... [13s] OK
  Running 'testthat.R' [13s]
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes ... OK
* checking re-building of vignette outputs ... [10s] OK
* checking PDF version of manual ... [22s] OK
* checking HTML version of manual ... [24s] OK
* DONE
Status: 1 ERROR