From simple descriptives to advanced modelling — all with automatic assumption checking and APA formatting.
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Descriptive Statistics
Mean, SD, skewness, histograms, boxplots, Q-Q plots, pie charts.
Free🔲
Chi-Square Test
Test independence between two categorical variables. Cramér's V effect size.
1 Credit⚖️
Independent T-Test
Compare means between two groups. Cohen's d, 95% CI, violin plots.
1 Credit📈
One-Way ANOVA
Compare means across 3+ groups. η², Bonferroni post-hoc tests.
2 Credits🔗
Correlation
Pearson or Spearman. Heatmap, scatter matrix, bubble chart.
1 Credit📉
Linear Regression
Simple or multiple. R², coefficients, CI bands, residual plots.
3 Credits🔄
Logistic Regression
Binary classification. Odds ratios, confusion matrix, AUC-ROC.
5 Credits📐
PCA
Principal Component Analysis. Dimensionality reduction, variance explained.
5 Credits🧩
Factor Analysis
Uncover latent factors. Factor loadings, eigenvalues, scree plot.
6 Credits📈
ARIMA
Time series forecasting. ACF/PACF plots, forecast visualisation.
8 Credits🥊
Mann-Whitney U
Non-parametric alternative to T-Test. For non-normal or ordinal data.
1 Credit🏆
Kruskal-Wallis
Non-parametric ANOVA alternative for skewed distributions.
2 Credits