Data scientist, software ninjaneer, creative analyst, former head of CIA, part-time astronaut, triple Olympic gold-medalist (twice), hyphenated-specialist, chief biscuit dunker, habitual dreamer, and all-round nice guy.

I've also been known to tell a few white lies every now and then. :)

I've been using R since it was called r.

Every time I think that I'm on top of R they keep changing the damn version!

sigh

https://stackoverflow.com/help/someone-answers

regex

Replace matched patterns in a string based on condition

mapply

How to check if pairs from df2 are in pairs of df1 (inclusive) in R?

How to get common values between two columns in R?