Common LINEST questions usually focus on formula errors, syntax guidance, and result checking; this FAQ includes 3 common questions and a short glossary.
FAQ
What should I do if the LINEST function returns an error?
- Check whether the formula starts with
=. - Confirm that brackets, commas, or separators are complete.
- Review the number, order, and referenced ranges of the arguments.
- Press Enter again to recalculate the result.
How can I view help for the LINEST function?
- Select the target cell and type
=LINEST(. - Review the syntax prompt that appears near the formula bar.
- Use the prompt to confirm argument meaning and input order.
- Continue completing the formula.
Why does the LINEST result not match my expectation?
- Check whether referenced cells contain numbers stored as text.
- Confirm that the selected data range is correct and not affected by empty values.
- Review whether there is a circular reference or an incomplete argument.
- Change the data and review whether the result updates.
Glossary
| Term | Definition |
|---|---|
| LINEST | A spreadsheet function used for linear fitting and regression analysis. |
| Argument | An input in a function that defines data ranges or calculation behavior. |
| Cross-sheet reference | A formula reference that points to a data range on another worksheet in the same workbook. |