I have the following problem: I have a DataFrame df which looks like this: eqpid recpid queuetime trackintime trackouttime 3723
mse
mockito-inline
solr-query-syntax
mptt
rethrow
c64
plupload
avr
tsung
ecmascript-2017
selectoneradio
aws-amplify-sdk-js
paddle-paddle
gyroscope
alertify
android-music-player
compilationmode
iconbutton
headless-browser
ngrx
django-mptt
loss
samsung-knox
pyvimeo
openstack-nova
krunker-editor
libtermkey
pyhdf
ischecked
bigfloat