LAMBDA: build your own function
Turn a business rule into your own function with LAMBDA, test it on one row, and run it down a whole column with MAP or across each row with BYROW.
In this lesson
=LAMBDA(param1, [param2, …], calculation)is a recipe.- Save it as your own function: Data, then Named functions.
=MAP(range1, [range2, …], LAMBDA(…))runs it once per cell.
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Why your formula broke when you copied it
Lock a cell with $ so a formula keeps working when you copy it down.
Beginner · 7 min · Free, with no sign-up
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- Skill
- Dynamic arrays
- Stage
- Analyst
Where it sits in Dynamic arrays
- What "spilling" means9 min
- ARRAYFORMULA9 min
- LET: name the parts of a formula9 min
- LAMBDA: build your own functionThis lesson11 min
The steps
12 steps: 5 explanations, 4 Do this, 3 questions, then Your turn.
Try a free lesson first
Why your formula broke when you copied it
Lock a cell with $ so a formula keeps working when you copy it down.
Beginner · 7 min · Free, with no sign-up
Do the free lesson on your computer.
Send yourself the link and open it on a laptop or desktop.
On your computer, go tolearnford.com/go/39MP