* using log directory ‘/Users/ripley/R/packages/tests-devel/emstreeR.Rcheck’
* using R Under development (unstable) (2026-07-15 r90261)
* using platform: aarch64-apple-darwin25.5.0
* R was compiled by
    Apple clang version 21.0.0 (clang-2100.1.1.101)
    GNU Fortran (GCC) 14.2.0
* running under: macOS Tahoe 26.5.2
* using session charset: UTF-8
* current time: 2026-07-16 05:58:41 UTC
* using option ‘--no-stop-on-test-error’
* checking for file ‘emstreeR/DESCRIPTION’ ... OK
* checking extension type ... Package
* this is package ‘emstreeR’ version ‘3.1.3’
* 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 ‘emstreeR’ can be installed ... OK
* 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 ... 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 whether startup messages can be suppressed ... 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 ... OK
* checking Rd files ... 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 examples ... ERROR
Running examples in ‘emstreeR-Ex.R’ failed
The error most likely occurred in:

> ### Name: ComputeMST
> ### Title: Euclidean Minimum Spanning Tree
> ### Aliases: ComputeMST
> 
> ### ** Examples
> 
> 
> ## artifical data
> set.seed(1984)
> n <- 15
> c1 <- data.frame(x = rnorm(n, -0.2, sd = 0.2), y = rnorm(n, -2, sd = 0.2))
> c2 <- data.frame(x = rnorm(n, -1.1, sd = 0.15), y = rnorm(n, -2, sd = 0.3)) 
> d <- rbind(c1, c2)
> d <- as.data.frame(d)
> 
> ## MST:
> out <- ComputeMST(d)
[INFO ] Building tree.
[INFO ] Calculating minimum spanning tree.
[INFO ] 19 edges found so far.
[INFO ] 44 cumulative base cases.
[INFO ] 267 cumulative node combinations scored.
[INFO ] 26 edges found so far.
[INFO ] 71 cumulative base cases.
[INFO ] 527 cumulative node combinations scored.
[INFO ] 29 edges found so far.
[INFO ] 90 cumulative base cases.
[INFO ] 746 cumulative node combinations scored.
[INFO ] Total spanning tree length: 4.01111
Error in mlpack::emst(data_aux, verbose = verbose)$output : 
  $ operator is invalid for atomic vectors
Calls: ComputeMST
Execution halted
* checking PDF version of manual ... OK
* checking HTML version of manual ... OK
* checking for detritus in the temp directory ... OK
* DONE

Status: 1 ERROR
See
  ‘/Users/ripley/R/packages/tests-devel/emstreeR.Rcheck/00check.log’
for details.

       18.44 real        12.65 user         4.14 sys