I have a Spark DataFrame like this: +-------+------+-----+---------------+ |Account|nature|value| time| +-------+------+-----+---------------+ |
dash.js
cortex-m3
ihostedservice
sbrk
locate
division
ellucian-banner
docker-repository
fernet
ndk-build
audioinputstream
aws-toolkit
apache-spark-1.5.2
spring-batch-tasklet
survey
sensitive-data
itemrenderer
projects
finagle
roaming-profile
spring-tools-4
android-device-manager
hp-uft
booleanquery
exceljs
android-ion
dynamic-sql
reactor-kafka
glrotate
anonymous-arrays