I have composed the following script for a clustered scatter plot with fviz_cluster. According to the plot, there are negative values for x and negative values
java-animation
oauth2client
simplex-algorithm
php-deployer
uic
braced-init-list
suid
slim
claudiajs
ordered-set
restframeworkmongoengine
pandas-timeindex
edit
database-sequence
bcrypt-ruby
mimebodypart
trigger.io
agconnect-functions
randomaccessfile
opa
offsetdatetime
ddx
vaadin-router
magento-1.5
apollo-client
android-source
pykml
spring-security4
hadoop-plugins
fillfactor