I have the following problem: I have a DataFrame df which looks like this: eqpid recpid queuetime trackintime trackouttime 3723
eaaccessory
kubernetes-apiserver
ffbase
fits
windows-services
remoting
castle-windsor
hough-transform
execvp
mdt
fbconnect
android-jobscheduler
contact-form
amphp
recurly
access-control
dompurify
counting
binding
finite-element-analysis
zipkin
css-mask
android-mediaprojection
multidimensional-scaling
openapi-generator-cli
atlasmap
default
android-graphview
webexception
spiram