Residual Sum of Squares Calculator
Introduction & Importance
Residual sum of squares (RSS) is a key concept in statistics and regression analysis. It measures the deviation of data points from the regression line, indicating the model’s goodness of fit.
How to Use This Calculator
- Enter comma-separated X and Y values.
- Select the degree of the polynomial regression.
- Click ‘Calculate’.
Formula & Methodology
The RSS formula is: RSS = ∑(yi – ŷi)², where yi is the actual value and ŷi is the predicted value.
Real-World Examples
Data & Statistics
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Expert Tips
- Use RSS to compare different regression models.
- Lower RSS indicates a better fit.
Interactive FAQ
What is RSS?
Residual sum of squares…
Stats.govt.nz – New Zealand’s official statistics website.
Statistics.gov.uk – UK’s official statistics website.