Explore Statistics tools with clear inputs, worked examples and downloadable results.
Choose a tool for the specific result you need. This collection brings together 2×2 Independence Statistic, Adjusted R-Squared and Residual Scale, Binary Classification Scorecard.
26 tools
Calculate Pearson’s independence statistic and signed association for a two-by-two count table.
StatisticsOpen tool ↗Adjust regression R-squared for predictor count and calculate residual scale and degrees of freedom.
StatisticsOpen tool ↗Evaluate precision, recall, specificity, F1 and Matthews correlation from a binary confusion matrix.
StatisticsOpen tool ↗Compare observed agreement with chance agreement and calculate Cohen’s kappa for two binary raters.
StatisticsOpen tool ↗Propagate correlated standard uncertainties through a sum, difference and product.
StatisticsOpen tool ↗Construct an approximate Fisher-transformed confidence interval for a Pearson correlation.
StatisticsOpen tool ↗Summarize a numeric sample with count, mean, median, sample standard deviation and range.
StatisticsOpen tool ↗Count exact categorical values and show their percentage share.
StatisticsOpen tool ↗Count values into equal-width bins and export the bin boundaries and frequencies.
StatisticsOpen tool ↗Calculate AIC, small-sample AICc and BIC from a fitted model’s likelihood and parameter count.
StatisticsOpen tool ↗Fit y = intercept + slope × x to paired observations and report R².
StatisticsOpen tool ↗Inspect corrected and uncorrected McNemar statistics from paired discordant outcomes.
StatisticsOpen tool ↗Construct a mean confidence interval from summary statistics and a supplied t critical value.
StatisticsOpen tool ↗Estimate the sample count needed for a target mean-estimation precision with known variability.
StatisticsOpen tool ↗Combine two disjoint sample summaries into one count, mean and sample variance.
StatisticsOpen tool ↗Smooth a numeric time series using a trailing simple moving average of your chosen window.
StatisticsOpen tool ↗Allocate a family-wise error budget and adjust one p-value using Bonferroni’s method.
StatisticsOpen tool ↗Build one-way ANOVA statistics and effect size from between-group and within-group sums of squares.
StatisticsOpen tool ↗Calculate a paired-sample test statistic from the mean and standard deviation of paired differences.
StatisticsOpen tool ↗Compare group means in pooled-standard-deviation units using two independent sample summaries.
StatisticsOpen tool ↗Compare a stable process with specification limits using Cp, Cpk and one-sided capability indices.
StatisticsOpen tool ↗Compare two groups using risk ratio, risk difference, odds ratio and log-odds uncertainty.
StatisticsOpen tool ↗Calculate the pooled large-sample z statistic comparing two independent event proportions.
StatisticsOpen tool ↗Estimate weight-based effective sample size and efficiency from sums of weights and squared weights.
StatisticsOpen tool ↗Calculate Welch’s two-sample statistic and approximate degrees of freedom from group summaries.
StatisticsOpen tool ↗Calculate a Wilson score confidence interval for a proportion from successes and trials.
StatisticsOpen tool ↗No matching tools.