Free online tool
Sum of Squared Errors Calculator
Enter two lists with matching rows. Calculate residuals, squared residuals and SSE. Review the method and copy or download your results.
Enter or ↑ ↓ moves between rows. Alt + ← → moves between columns. Tab moves through fields.
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Enter a grid, paste values, or choose CSV, TSV, JSON, JSON Lines, XLSX, text or a statistics project. XLSX requires a worksheet choice and imports values only. Review headers and column mapping before calculating. The workspace supports up to 2 MB, 20,000 rows and 100,000 cells.
Enter a grid, paste values, or choose CSV, TSV, JSON, JSON Lines, XLSX, text or a statistics project. XLSX requires a worksheet choice and imports values only. Review headers and column mapping before calculating. The workspace supports up to 2 MB, 20,000 rows and 100,000 cells.
Import settings
Column mapping is available after opening the data. JSON object keys become column names. Grid column names are separate from its data rows.
- Enter two lists with matching rows
- Check your values and calculation settings.
- Calculate, review the method, and save your results.
How it works
Calculate residuals, squared residuals and SSE from your own values. Use the fictional sample to try the calculation. Subtract each predicted value from its observed value, square each residual, then sum. This calculation does not fit a model.
Enter data, review the result, and download it when you are ready. No account is required. Check the input and the output before using them for consequential decisions.