Zelazny7

3 ms·

1. 1.▲
   by Zelazny7 6y ago

   fraud detection
2. 2.▲
   by Zelazny7 6y ago

   Have you figured out a way to add columns to DuckDB from R vectors? I'm not sure this is possible yet without using inefficient insert operations. Ideally, I'd like to pull in some columns from the DB, generate a new column vector
3. 3.▲
   by Zelazny7 7y ago

   when indexing you can always pass `drop=FALSE` to prevent returning a vector. It will always return a matrix or data.frame.
4. 4.▲
   by Zelazny7 7y ago

   Base R is fine. I would much rather not include the tidyverse and all of its transitive dependencies.
5. 5.▲
   by Zelazny7 7y ago

   options(error=recover)
6. 6.▲
   by Zelazny7 7y ago

   Yeah, that's a valid point. And it took me a couple years to internalize these differences -- mostly by being burned on numerous occasions. Base R has a lot of idiosyncrasies and they have to be memorized, unfortunately. I develop R pa
7. 7.▲
   by Zelazny7 7y ago

   I use a simply device to keep these straight: - (l)apply: List apply always returns a list - (s)apply: simplify apply tries to return simplified result - (v)apply: verify apply checks the return type conforms to user supplied example - (m)a