I have the following problem: I have a DataFrame df which looks like this: eqpid recpid queuetime trackintime trackouttime 3723
edge.js
pubmed-api
execline
ipython-sql
kableextra
dcos
android-embedded-api
catalyst
starvation
wepay
python-standalone
hugo-shortcode
file-put-contents
google-sheets-macros
libigl
sap-gateway
sas-gtl
cfbundleidentifier
total-commander
doclet
android-app-licensing
vuejs-slots
statsvn
post-install
moose
absolute-path
toggleswitch
visual-studio-loadtest
apache-commons-httpclient
release-apk