3 calculators in this category
- Pearson Correlation Coefficient (r) CalculatorPearson product-moment correlationPearson's r measures how tightly two variables track a straight line together, on a scale from −1 to +1. Paste your paired…
- Linear Regression (Least Squares) CalculatorOrdinary least squaresPaste your x and y values and this calculator fits the least-squares straight line through them. You get the slope, the…
- Odds Ratio CalculatorWoolf logit method with Haldane–Anscombe correctionEnter the four counts of a 2×2 table and this calculator returns the odds ratio, the natural log of the odds ratio, Woolf's…
Which one do you need?
- Pearson Correlation Coefficient (r) Calculator
- Compute Pearson's r from paired data, with r-squared, the t test of significance, an exact p-value and a Fisher confidence interval for the correlation.
- Linear Regression (Least Squares) Calculator
- Fit the least-squares line to your paired data. Returns slope, intercept, the regression equation, R-squared, residual standard error, predictions and a residual table.
- Odds Ratio Calculator
- Calculate the odds ratio from a 2x2 table with its 95% confidence interval, log odds, Woolf standard error and chi-square p-value. Zero-cell correction included.