I have a Spark DataFrame like this: +-------+------+-----+---------------+ |Account|nature|value| time| +-------+------+-----+---------------+ |
tapestry
channel
registerforactivityresult
extends
approximate-nn-searching
dynatree
imasdk
hbm2ddl
nsappleeventmanager
altium-designer
lvalue
linked-data
matplotlib.mlab
gnat-gps
ngx-chips
jts
bluebird
nmea
single-dispatch
empirical-distribution
atomicreference
epsilon
.net-core-sdk
python-camelot
vue-ssr
fmdb
window-messages
windbg
manim
mail-gem