I'm a bit confused on how to populate my new column based on character combinations I have from each of my other columns. Here is my original dataframe: df <
user-data
apache-spark-xml
job-scheduling
qftp
entity-framework-projection
dst
avconv
ardl
lms
hyperkit
rowcount
dse
timestamp
integer-programming
flutter-integration-test
clasp
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fmod
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grouped-list
agda-stdlib
inflector
ttx-fonttools
first-responder
taskscheduler
android-app-links
tortoisesvn
bisect
jax-ws
xcglogger