COMPUTER SCIENCE & DATA
Data Science
Linear Regression Calculator
Fit a least-squares line to x, y data: slope, intercept, r and R², standard errors, the slope's p-value, a scatter plot and predictions with intervals.
Confusion Matrix Metrics Calculator
Calculate accuracy, precision, recall, specificity, F1, MCC and Cohen's kappa from true and false positives and negatives, with a class-imbalance check.
Entropy and Information Gain Calculator
Calculate Shannon entropy, information gain, gain ratio and Gini impurity for decision tree splits, with each branch's entropy and weight.