I have the following problem: I have a DataFrame df which looks like this: eqpid recpid queuetime trackintime trackouttime 3723
http.server
simpledateformat
ora-12154
to-char
cron
children
dockeroperator
piracy
textspan
signing
gradle-kotlin-dsl
mutation-events
edx
createtextnode
web-storage
magma
coroutine
dynamodb-mapper
highmaps
nanomsg
react-select-plus
sign-in-with-google
dom4
crystal-reports
numcpp
rxjs-subscriptions
windeployqt
flasgger
tortoisegit
ruby-comparable