I have a Spark DataFrame like this: +-------+------+-----+---------------+ |Account|nature|value| time| +-------+------+-----+---------------+ |
gridviewcolumn
delphi-11-alexandria
ftputil
jquery-chosen
charles-proxy
automata
mallet
psobject
psftp
angular-route-segment
rexec
expansion-tile
dbtable
python-cloudant
dryscrape
datainputstream
static-constructor
jpm
jgoodies
vertical-sync
database-inspector
hugo-logging
azure-spring-boot
jsp-tags
lwip
crypto.com-exchange-api
swift3.2
cypress-configuration
test-runner
redux-promise-middleware