Error(s) in re-building vignettes:
  ...
--- re-building ‘Newer_resamplers.Rmd’ using knitr
** Processing: figure/simulationScatter-1.png
432x432 pixels, 8 bits/pixel, 254 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 4572 bytes
Input file size = 5424 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 4060
  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 = 4060

Output IDAT size = 4060 bytes (512 bytes decrease)
Output file size = 4138 bytes (1286 bytes = 23.71% decrease)

** Processing: figure/SameOtherCV-1.png
432x432 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 20858 bytes
Input file size = 20960 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 17280
  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 = 17280

Output IDAT size = 17280 bytes (3578 bytes decrease)
Output file size = 17358 bytes (3602 bytes = 17.19% decrease)

** Processing: figure/SameOtherCV-2.png
432x432 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 19147 bytes
Input file size = 19249 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 15678
  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 = 15678

Output IDAT size = 15678 bytes (3469 bytes decrease)
Output file size = 15756 bytes (3493 bytes = 18.15% decrease)

** Processing: figure/unnamed-chunk-4-1.png
432x432 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 41886 bytes
Input file size = 42024 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 32829
  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 = 32829

Output IDAT size = 32829 bytes (9057 bytes decrease)
Output file size = 32907 bytes (9117 bytes = 21.69% decrease)

** Processing: figure/unnamed-chunk-7-1.png
432x432 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 32619 bytes
Input file size = 32733 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 26435
  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 = 26435

Output IDAT size = 26435 bytes (6184 bytes decrease)
Output file size = 26513 bytes (6220 bytes = 19.00% decrease)

** Processing: figure/simulationShort-1.png
432x432 pixels, 8 bits/pixel, 256 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 10245 bytes
Input file size = 11115 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 9608
  zc = 9  zm = 8  zs = 1  f = 0		IDAT size = 9605
  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 = 1  f = 0		IDAT size = 9605

Output IDAT size = 9605 bytes (640 bytes decrease)
Output file size = 9683 bytes (1432 bytes = 12.88% decrease)

** Processing: figure/unnamed-chunk-9-1.png
432x432 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 14774 bytes
Input file size = 14864 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 12217
  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 = 12217

Output IDAT size = 12217 bytes (2557 bytes decrease)
Output file size = 12295 bytes (2569 bytes = 17.28% decrease)

** Processing: figure/unnamed-chunk-10-1.png
432x432 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 22752 bytes
Input file size = 22854 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 17953
  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 = 17953

Output IDAT size = 17953 bytes (4799 bytes decrease)
Output file size = 18031 bytes (4823 bytes = 21.10% decrease)

** Processing: figure/unnamed-chunk-10-2.png
432x432 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 22696 bytes
Input file size = 22798 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 18065
  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 = 18065

Output IDAT size = 18065 bytes (4631 bytes decrease)
Output file size = 18143 bytes (4655 bytes = 20.42% decrease)

** Processing: figure/unnamed-chunk-11-1.png
432x432 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 40850 bytes
Input file size = 40976 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 31873
  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 = 31873

Output IDAT size = 31873 bytes (8977 bytes decrease)
Output file size = 31951 bytes (9025 bytes = 22.03% decrease)

** Processing: figure/unnamed-chunk-11-2.png
432x432 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 31231 bytes
Input file size = 31345 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 23396
  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 = 23396

Output IDAT size = 23396 bytes (7835 bytes decrease)
Output file size = 23474 bytes (7871 bytes = 25.11% decrease)

** Processing: figure/unnamed-chunk-18-1.png
432x432 pixels, 8 bits/pixel, 235 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 8613 bytes
Input file size = 9420 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 7733
  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 = 7733

Output IDAT size = 7733 bytes (880 bytes decrease)
Output file size = 7811 bytes (1609 bytes = 17.08% decrease)

** Processing: figure/unnamed-chunk-20-1.png
432x432 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 18282 bytes
Input file size = 18384 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 13946
  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 = 13946

Output IDAT size = 13946 bytes (4336 bytes decrease)
Output file size = 14024 bytes (4360 bytes = 23.72% decrease)

** Processing: figure/unnamed-chunk-21-1.png
432x432 pixels, 8 bits/pixel, 244 colors in palette
Reducing image to 8 bits/pixel, grayscale
Input IDAT size = 5907 bytes
Input file size = 6729 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 4972
  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 = 4972

Output IDAT size = 4972 bytes (935 bytes decrease)
Output file size = 5050 bytes (1679 bytes = 24.95% decrease)

** Processing: figure/unnamed-chunk-22-1.png
432x432 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 21995 bytes
Input file size = 22097 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 17440
  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 = 17440

Output IDAT size = 17440 bytes (4555 bytes decrease)
Output file size = 17518 bytes (4579 bytes = 20.72% decrease)

** Processing: figure/unnamed-chunk-28-1.png
432x432 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 25438 bytes
Input file size = 25552 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 18836
  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 = 18836

Output IDAT size = 18836 bytes (6602 bytes decrease)
Output file size = 18914 bytes (6638 bytes = 25.98% decrease)

** Processing: figure/unnamed-chunk-29-1.png
432x432 pixels, 3x8 bits/pixel, RGB
Input IDAT size = 28911 bytes
Input file size = 29025 bytes

Trying:
  zc = 9  zm = 8  zs = 0  f = 0		IDAT size = 21212
  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 = 21212

Output IDAT size = 21212 bytes (7699 bytes decrease)
Output file size = 21290 bytes (7735 bytes = 26.65% decrease)

--- finished re-building ‘Newer_resamplers.Rmd’

--- re-building ‘Older_resamplers.Rmd’ using knitr

Quitting from lines 105-118 [unnamed-chunk-3] (Older_resamplers.Rmd)
Error: processing vignette 'Older_resamplers.Rmd' failed with diagnostics:
Cannot create zero-length unit vector ("unit" subsetting)
--- failed re-building ‘Older_resamplers.Rmd’

SUMMARY: processing the following file failed:
  ‘Older_resamplers.Rmd’

Error: Vignette re-building failed.
Execution halted