How do I bring 4 rows of data into 1 row, 4 columns?

Ange

How do I bring 4 rows of data into 1 row, 4 columns?

me2

There are various ways to do that. The easiest way is to use a Prepare Recipe and add a step, Transpose.

https://doc.dataiku.com/dss/11/preparation/processors/transpose.html

Let us know if that doesn't meet your requirements.