When using the LINEST function, the most common questions are about errors, result checks, and repeated use; this FAQ includes 3 common questions and 3 glossary terms.
FAQ
What should I do if LINEST returns a #VALUE! error?
- Check whether the referenced ranges contain text, extra spaces, or other values that cannot be used in the calculation.
- Make sure the dimensions of the known data ranges match.
- Clean the source data if needed, then enter or edit the formula again.
Why does the LINEST result look different from what I expected?
- Check whether the referenced ranges are correct and make sure no data is missing or selected by mistake.
- Confirm that the related cells use numeric values instead of text-formatted content.
- Return to the function arguments area and verify the argument order and input again.
How can I use LINEST in multiple cells?
- Enter the LINEST formula in the first target cell.
- Drag the fill handle to nearby cells, or copy and paste the formula into other cells.
- Check whether relative and absolute references are set the way you want before confirming the results.
Glossary
| Term | Definition |
|---|---|
| LINEST | A spreadsheet function used for linear regression analysis and linear trend-related results from known data. |
| Insert Function | A spreadsheet entry point for searching function names and filling in arguments before inserting a formula. |
| Argument | A data input or setting used by a function. The order and referenced ranges directly affect the calculation result. |