MathLevel: ExpertAvailable in: Excel 2007+
In this article
- Syntax
- Examples
- Example 1
- Related functions
SUMSQ squares each value and adds them up — the building block of error measures such as RMSE.
Syntax
=SUMSQ(number1, [number2], ...)
| Argument |
What it means |
number1… |
Values or ranges. |
Examples
Example 1
=SQRT(SUMSQ(D2:D25)/COUNT(D2:D25))
RMSE when column D holds forecast minus actual.
SUMPRODUCT · SQRT
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