I have the following problem: I have a DataFrame df which looks like this: eqpid recpid queuetime trackintime trackouttime 3723
dkms
technical-indicator
sapper
ubuntu-15.10
vue-auth
fdb
console-output
emv
diagnostics
paddle-paddle
parallel-tests
hyperledger-fabric
typescript-mixins
extract-method
dock
shortest
aws-powershell
objective-c-category
datalistitem
whitesource
react-intl
gridsplitter
println
supplier
control-template
maf
datastage
jimfs
named-instance
reactstrap