* using log directory ‘/srv/hornik/tmp/CRAN_pretest/adrftools.Rcheck’
* using R Under development (unstable) (2026-02-04 r89376)
* using platform: x86_64-pc-linux-gnu
* R was compiled by
    Debian clang version 21.1.8 (1+b1)
    Debian flang version 21.1.8 (1+b1)
* running under: Debian GNU/Linux forky/sid
* using session charset: UTF-8
* current time: 2026-02-06 20:24:12 UTC
* checking for file ‘adrftools/DESCRIPTION’ ... OK
* checking extension type ... Package
* this is package ‘adrftools’ version ‘0.1.0’
* package encoding: UTF-8
* checking CRAN incoming feasibility ... [3s/5s] NOTE
Maintainer: ‘Noah Greifer <noah.greifer@gmail.com>’

New submission

Found the following (possibly) invalid DOIs:
  DOI: /10.1016/j.jspi.2005.12.008
    From: man/curve_projection.Rd
    Status: 404
    Message: Not Found
* 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 ‘adrftools’ can be installed ... [4s/4s] 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 ... [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 ... [10s/10s] 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 ... [23s/23s] NOTE
Examples with CPU (user + system) or elapsed time > 5s
                   user system elapsed
plot.effect_curve 6.313  0.104   6.422
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes ... OK
* checking re-building of vignette outputs ... [234s/106s] OK
* checking PDF version of manual ... [5s/5s] WARNING
LaTeX errors when creating PDF version.
This typically indicates Rd problems.
LaTeX errors found:
! Argument of \frac  has an extra }.
<inserted text> 
                \par 
l.244 ...\approx \frac{f(x + e) - f(x - e)}{2e}}{}
                                                  
! Paragraph ended before \frac  was complete.
<to be read again> 
                   \par 
l.244 ...\approx \frac{f(x + e) - f(x - e)}{2e}}{}
                                                  
! Missing $ inserted.
<inserted text> 
                $
l.244 ...\approx \frac{f(x + e) - f(x - e)}{2e}}{}
                                                  
! Missing } inserted.
<inserted text> 
                }
l.244 ...\approx \frac{f(x + e) - f(x - e)}{2e}}{}
                                                  
! Missing } inserted.
<inserted text> 
                }
l.244 ...\approx \frac{f(x + e) - f(x - e)}{2e}}{}
                                                  
! Display math should end with $$.
<to be read again> 
                   \tex_par:D 
l.244 ...\approx \frac{f(x + e) - f(x - e)}{2e}}{}
                                                  
! Extra }, or forgotten \endgroup.
\par ...m \@noitemerr {\@@par }\fi \else {\@@par }
                                                  \fi 
l.244 ...\approx \frac{f(x + e) - f(x - e)}{2e}}{}
                                                  
! Extra }, or forgotten \endgroup.
<recently read> }
                 
l.244 ...\approx \frac{f(x + e) - f(x - e)}{2e}}{}
                                                  
! Missing $ inserted.
<inserted text> 
                $
l.244 ...\approx \frac{f(x + e) - f(x - e)}{2e}}{}
                                                  
! Missing $ inserted.
<inserted text> 
                $
l.244 ...\approx \frac{f(x + e) - f(x - e)}{2e}}{}
                                                  
! LaTeX Error: Unicode character μ (U+03BC)
               not set up for use with LaTeX.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
* checking PDF version of manual without index ... ERROR
* checking HTML version of manual ... [1s/1s] NOTE
Found the following math rendering problems:
amef.Rd:23: Unexpected end of input in a macro argument, expected '}' in \frac{df(x)}\frac{dx} \approx \f...
* checking for non-standard things in the check directory ... NOTE
Found the following files/directories:
  ‘adrftools-manual.tex’
* checking for detritus in the temp directory ... OK
* DONE
Status: 1 ERROR, 1 WARNING, 4 NOTEs