Normalize a column
TLDR: How do I normalize a column to itself? See attached. I have: Column A = 0,1,2,3. Maybe think of this as like an ID numberColumn B. Think of this as a timestampColumn C. This is the data Now I want column D to have the data in Column C, ONLY when B=1. As you can see in the attached file, I have manually copy-pasted the yellow cells from C into D. Pasted over and over. Therefore when I do D...