* using log directory ‘/srv/hornik/tmp/CRAN_pretest/cxreg.Rcheck’
* using R Under development (unstable) (2025-07-24 r88447)
* 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 ‘cxreg/DESCRIPTION’ ... OK
* this is package ‘cxreg’ version ‘1.0.0’
* package encoding: UTF-8
* checking CRAN incoming feasibility ... [3s/4s] NOTE
Maintainer: ‘Younghoon Kim <yk748@cornell.edu>’

New submission

Possibly misspelled words in DESCRIPTION:
  glmnet (9:25)
  pathwise (10:19)

Found the following (possibly) invalid URLs:
  URL: https://arxiv.org/abs/2401
    From: man/cxreg-package.Rd
    Status: 404
    Message: Not Found

Found the following (possibly) invalid DOIs:
  DOI: arXiv:2401.11128
    From: man/predict.classo.Rd
    Message: Invalid DOI

The Title field should be in title case. Current version is:
  ‘Complex-valued lasso and complex-valued graphical lasso’
In title case that is:
  ‘Complex-Valued Lasso and Complex-Valued Graphical Lasso’
* 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 ‘cxreg’ can be installed ... [7s/7s] OK
* used Fortran compiler: ‘Debian flang-new version 19.1.7 (3+b1)’
* used C++ compiler: ‘Debian clang version 19.1.7 (3+b1)’
* checking package directory ... OK
* checking for future file timestamps ... OK
* checking ‘build’ directory ... OK
* checking DESCRIPTION meta-information ... OK
* checking top-level files ... NOTE
Non-standard file/directory found at top level:
  ‘README.Rmd’
* 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 ... [1s/1s] OK
* checking whether the package can be unloaded cleanly ... [1s/1s] 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 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 ... [7s/7s] OK
* checking Rd files ... [0s/0s] NOTE
checkRd: (-1) cglasso.Rd:30: Lost braces; missing escapes or markup?
    30 | \deqn{D^{-1/2}(\arg\min_{\Theta}\textrm{Tr}[\hat{R}\hat{\Theta}]-\log\det\Theta + \sum_{i\neq j}|\Theta_{ij}|)D^{-1/2}} for the given D. If type is \code{II}, the algorithm solves CGLASSO-II in the reference. It is for each iterative classo with covariate update, the squared-root of scale matrix D^{-1/2} is multiplied. Please refer to the equation (5.2) in the reference for the details.}
       |                                                                                                                                                                                                                                                                                                            ^
* 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 data for ASCII and uncompressed saves ... OK
* checking line endings in C/C++/Fortran sources/headers ... OK
* checking pragmas in C/C++ headers and code ... OK
* checking compilation flags used ... OK
* checking compiled code ... OK
* checking usage of KIND in Fortran files ... OK
* checking installed files from ‘inst/doc’ ... OK
* checking files in ‘vignettes’ ... OK
* checking examples ... [20s/20s] NOTE
Examples with CPU (user + system) or elapsed time > 5s
                user system elapsed
plot.cv.classo 7.060  0.160   7.225
cv.classo      7.102  0.064   7.170
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes ... OK
* checking re-building of vignette outputs ... [14s/15s] OK
* checking PDF version of manual ... [3s/3s] OK
* checking HTML version of manual ... [1s/1s] OK
* checking for non-standard things in the check directory ... OK
* checking for detritus in the temp directory ... OK
* DONE
Status: 4 NOTEs