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 <
content-based-retrieval
geospark
proxies
miniprofiler
get-satisfaction
lstm
jooq
gulp-npm-test
ibpy
git-flow
microsoft-identity-web
ormar
puppet
cakebuild
php-fpm
vmalloc
wijmo5
apache-camel-k
vesa
octokit-js
aws-transfer-family
strncmp
build-numbers
sweave
separator
multiple-entries
render-to-string
knockout-mvc
ngx-spinner
static-site-generation