Error(s) in re-building vignettes:
  ...
--- re-building ‘Cluster_Analysis.Rmd’ using rmarkdown

---------------------
Welcome to dendextend version 1.10.0
Type citation('dendextend') for how to cite the package.

Type browseVignettes(package = 'dendextend') for the package vignette.
The github page is: https://github.com/talgalili/dendextend/

Suggestions and bug-reports can be submitted at: https://github.com/talgalili/dendextend/issues
Or contact: <tal.galili@gmail.com>

	To suppress this message use:  suppressPackageStartupMessages(library(dendextend))
---------------------


Attaching package: 'dendextend'

The following object is masked from 'package:stats':

    cutree

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

--- re-building ‘FAQ.Rmd’ using rmarkdown

---------------------
Welcome to dendextend version 1.10.0
Type citation('dendextend') for how to cite the package.

Type browseVignettes(package = 'dendextend') for the package vignette.
The github page is: https://github.com/talgalili/dendextend/

Suggestions and bug-reports can be submitted at: https://github.com/talgalili/dendextend/issues
Or contact: <tal.galili@gmail.com>

	To suppress this message use:  suppressPackageStartupMessages(library(dendextend))
---------------------


Attaching package: 'dendextend'

The following object is masked from 'package:stats':

    cutree

--- finished re-building ‘FAQ.Rmd’

--- re-building ‘Quick_Introduction.Rmd’ using rmarkdown

---------------------
Welcome to dendextend version 1.10.0
Type citation('dendextend') for how to cite the package.

Type browseVignettes(package = 'dendextend') for the package vignette.
The github page is: https://github.com/talgalili/dendextend/

Suggestions and bug-reports can be submitted at: https://github.com/talgalili/dendextend/issues
Or contact: <tal.galili@gmail.com>

	To suppress this message use:  suppressPackageStartupMessages(library(dendextend))
---------------------


Attaching package: 'dendextend'

The following object is masked from 'package:stats':

    cutree

Quitting from lines 104-106 (Quick_Introduction.Rmd) 
Error: processing vignette 'Quick_Introduction.Rmd' failed with diagnostics:
VECTOR_ELT() can only be applied to a 'list', not a 'double'
--- failed re-building ‘Quick_Introduction.Rmd’

--- re-building ‘introduction.Rmd’ using rmarkdown

---------------------
Welcome to dendextend version 1.10.0
Type citation('dendextend') for how to cite the package.

Type browseVignettes(package = 'dendextend') for the package vignette.
The github page is: https://github.com/talgalili/dendextend/

Suggestions and bug-reports can be submitted at: https://github.com/talgalili/dendextend/issues
Or contact: <tal.galili@gmail.com>

	To suppress this message use:  suppressPackageStartupMessages(library(dendextend))
---------------------


Attaching package: 'dendextend'

The following object is masked from 'package:stats':

    cutree

Quitting from lines 803-822 (introduction.Rmd) 
Error: processing vignette 'introduction.Rmd' failed with diagnostics:
VECTOR_ELT() can only be applied to a 'list', not a 'double'
--- failed re-building ‘introduction.Rmd’

SUMMARY: processing the following files failed:
  ‘Quick_Introduction.Rmd’ ‘introduction.Rmd’

Error: Vignette re-building failed.
Execution halted