* using log directory ‘/srv/hornik/tmp/CRAN_pretest/dendextend.Rcheck’
* using R Under development (unstable) (2025-07-14 r88410)
* using platform: x86_64-pc-linux-gnu
* R was compiled by
    Debian clang version 19.1.7 (3)
    Debian flang-new version 19.1.7 (3)
* running under: Debian GNU/Linux 13 (trixie)
* using session charset: UTF-8
* checking for file ‘dendextend/DESCRIPTION’ ... OK
* checking extension type ... Package
* this is package ‘dendextend’ version ‘1.19.1’
* package encoding: UTF-8
* checking CRAN incoming feasibility ... [6s/7s] NOTE
Maintainer: ‘Tal Galili <tal.galili@gmail.com>’

Found the following (possibly) invalid URLs:
  URL: https://stackoverflow.com/questions/12456768/duelling-dendrograms-in-r-placing-dendrograms-back-to-back-in-r
    From: man/tanglegram.Rd
    Status: 403
    Message: Forbidden
  URL: https://stackoverflow.com/questions/17088136/plot-horizontal-dendrogram-with-hanging-leaves-r
    From: man/hang.dendrogram.Rd
    Status: 403
    Message: Forbidden
  URL: https://stackoverflow.com/questions/25664911/r-hclust-height-of-final-merge
    From: inst/doc/FAQ.html
    Status: 403
    Message: Forbidden
  URL: https://stackoverflow.com/questions/26240200/how-to-access-attributes-of-a-dendrogram-in-r
    From: inst/doc/FAQ.html
    Status: 403
    Message: Forbidden
  URL: https://stackoverflow.com/questions/26965390/larger-font-and-spacing-between-leaves-in-r-dendrogram
    From: inst/doc/FAQ.html
    Status: 403
    Message: Forbidden
  URL: https://stackoverflow.com/questions/27485549/how-to-colour-the-labels-of-a-dendrogram-by-an-additional-factor-variable-in-r
    From: inst/doc/FAQ.html
    Status: 403
    Message: Forbidden
  URL: https://stackoverflow.com/questions/29265536/how-to-color-the-branches-and-tick-labels-in-the-heatmap-2
    From: inst/doc/FAQ.html
    Status: 403
    Message: Forbidden
  URL: https://stackoverflow.com/questions/30062187/coloring-dendrogram-s-end-branches-or-leaves-based-on-column-number-of-data-fr
    From: inst/doc/FAQ.html
    Status: 403
    Message: Forbidden
  URL: https://stackoverflow.com/questions/31117849/how-to-color-a-dendrograms-labels-according-to-defined-groups-in-r
    From: inst/doc/FAQ.html
    Status: 403
    Message: Forbidden
  URL: https://stackoverflow.com/questions/31124810/r-cut-dendrogram-into-groups-with-minimum-size/
    From: inst/doc/FAQ.html
    Status: 403
    Message: Forbidden
  URL: https://stackoverflow.com/questions/34539746/color-side-bar-dendrogram-plot/
    From: inst/doc/FAQ.html
    Status: 403
    Message: Forbidden
  URL: https://stackoverflow.com/questions/4562257/what-is-the-fastest-way-to-check-if-a-number-is-a-positive-natural-number-in-r
    From: man/is.natural.number.Rd
    Status: 403
    Message: Forbidden
  URL: https://stackoverflow.com/questions/4614223/how-to-have-the-following-work-labelsx-some-value-r-question
    From: man/labels-assign.Rd
    Status: 403
    Message: Forbidden
  URL: https://stackoverflow.com/questions/4720307/change-dendrogram-leaves
    From: man/rect.dendrogram.Rd
    Status: 403
    Message: Forbidden
  URL: https://stackoverflow.com/questions/5302049/last-observation-carried-forward-na-locf-on-panel-cross-section-time-series
    From: man/na_locf.Rd
    Status: 403
    Message: Forbidden
  URL: https://stackoverflow.com/questions/tagged/dendextend
    From: README.md
    Status: 403
    Message: Forbidden
  URL: https://stackoverflow.com/questions/tagged/dendrogram+r
    From: inst/doc/FAQ.html
    Status: 403
    Message: Forbidden
  URL: https://stats.stackexchange.com/questions/4062/how-to-plot-a-fan-polar-dendrogram-in-r
    From: inst/doc/FAQ.html
    Status: 403
    Message: Forbidden
* 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 serialization versions ... OK
* checking whether package ‘dendextend’ can be installed ... [5s/5s] OK
* checking package directory ... OK
* checking for future file timestamps ... 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 ... [1s/1s] OK
* checking whether the package can be loaded with stated dependencies ... [0s/0s] OK
* checking whether the package can be unloaded cleanly ... [0s/0s] OK
* checking whether the namespace can be loaded with stated dependencies ... [1s/1s] OK
* checking whether the namespace can be unloaded cleanly ... [1s/1s] OK
* checking loading without being on the library search path ... [1s/1s] OK
* checking whether startup messages can be suppressed ... [1s/1s] 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 ... [12s/12s] OK
* checking Rd files ... [1s/1s] 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 contents of ‘data’ directory ... OK
* checking data for non-ASCII characters ... [0s/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 ... [10s/10s] OK
* checking for unstated dependencies in ‘demo’ ... OK
* checking for unstated dependencies in ‘tests’ ... OK
* checking tests ... [58s/58s] OK
  Running ‘testthat.R’ [58s/58s]
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes ... OK
* checking re-building of vignette outputs ... [67s/67s] OK
* checking PDF version of manual ... [5s/5s] OK
* checking HTML version of manual ... [3s/3s] OK
* checking for non-standard things in the check directory ... OK
* checking for detritus in the temp directory ... OK
* DONE
Status: 1 NOTE