Regression Prediction Calculator
Enter the intercept, slope and x to predict y.
Result
How to use
- Enter your values in the fields above.
- Press Calculate to see your result instantly.
- Use the Share button to copy a link to your result.
About this calculator
Once a simple linear regression has been fitted to a dataset, giving an intercept a and slope b, the fitted line y = a + b·x can be used to predict the expected response for any new value of x — this calculator performs that final prediction step given the fitted parameters and a chosen x.
Analysts, students and researchers across economics, biology, engineering and business use this kind of point prediction after regression analysis to forecast an outcome (sales, a lab measurement, a test score) from a single predictor, though it's most reliable for x-values inside the range the model was actually fitted on, since extrapolating far beyond the data risks error.
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