I have a Spark DataFrame like this: +-------+------+-----+---------------+ |Account|nature|value| time| +-------+------+-----+---------------+ |
qaf
catboostregressor
cusolver
qabstractitemview
duckyscript
splitchunksplugin
secret-key
awtrobot
twitter-bootstrap-4
uitextfielddelegate
avahi
spring-gem
key-management
chop
spring-data-jpa
simpletransformers
podfile-lock
threshold
cfspreadsheet
objc-bridging-header
heap-dump
shared-objects
responsive-design-view
nginx-config
propagation
websphere-liberty
pinot
python-newspaper
mvcroutehandler
rootviewcontroller