Error(s) in re-building vignettes:
  ...
--- re-building ‘intro-alphaN.Rmd’ using rmarkdown
** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/alphaN.Rcheck/vign_test/alphaN/vignettes/intro-alphaN_files/figure-html/unnamed-chunk-3-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 11261 bytes
Input file size = 11351 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 8511
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 8511

Output IDAT size = 8511 bytes (2750 bytes decrease)
Output file size = 8589 bytes (2762 bytes = 24.33% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/alphaN.Rcheck/vign_test/alphaN/vignettes/intro-alphaN_files/figure-html/unnamed-chunk-4-1.png
288x288 pixels, 8 bits/pixel, 254 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 3441 bytes
Input file size = 4293 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 2815
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 2815

Output IDAT size = 2815 bytes (626 bytes decrease)
Output file size = 2893 bytes (1400 bytes = 32.61% decrease)

** Processing: /home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/alphaN.Rcheck/vign_test/alphaN/vignettes/intro-alphaN_files/figure-html/unnamed-chunk-6-1.png
288x288 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 15425 bytes
Input file size = 15515 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 12091
  zc = 9  zm = 8  zs = 1  f = 0
  zc = 1  zm = 8  zs = 2  f = 0
  zc = 9  zm = 8  zs = 3  f = 0
  zc = 9  zm = 8  zs = 0  f = 5
  zc = 9  zm = 8  zs = 1  f = 5
  zc = 1  zm = 8  zs = 2  f = 5
  zc = 9  zm = 8  zs = 3  f = 5
                               
Selecting parameters:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 12091

Output IDAT size = 12091 bytes (3334 bytes decrease)
Output file size = 12169 bytes (3346 bytes = 21.57% decrease)


Quitting from intro-alphaN.Rmd:90-92 [unnamed-chunk-7]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error in `file()`:
! cannot open the connection to 'https://stats.idre.ucla.edu/stat/data/binary.csv'
---
Backtrace:
    ▆
 1. └─utils::read.csv("https://stats.idre.ucla.edu/stat/data/binary.csv")
 2.   └─utils::read.table(...)
 3.     └─base::file(file, "rt")
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'intro-alphaN.Rmd' failed with diagnostics:
cannot open the connection to 'https://stats.idre.ucla.edu/stat/data/binary.csv'
--- failed re-building ‘intro-alphaN.Rmd’

SUMMARY: processing the following file failed:
  ‘intro-alphaN.Rmd’

Error: Vignette re-building failed.
Execution halted