***What free statistics package do you use?

Are there any OpenStat users out there?



        Central tendancy, variability




        Normality Tests

        X vs Y Plot

        Group (integer) Frequency Chart

        Repeated Measures Bubble Plot

        QQ or PP Plot

        Smooth Data by Averaging

        Compare Two Distributions

        Compare Observed to Theoretical Distributions

        Three Dimensional Rotation

        Box Plots

        X versus Multiple Y Plot

        Stem and Leaf Plot

        Multiple Group X versus Y Plot

        Resistant Line Analysis


        Single Sample Tests

        Test of Two Proportions

        Test of Two Correlations

        Test of Two Means

        Binary Receiver Operating Characteristics

    Analysis of Variance

        One, Two or Three Way ANOVA

        Two or Three Way ANOVA with One Case Per Cell

        Treatment by Subject and Hoyt Reliability

        One Within Subjects, One Between Subjects

        One Within Subjects, Two Between Subjects

        Two Within Subjects

        Factor B Nested in Factor A

        ABC Nested with B Nested in A

        Analysis of Covariance

        Latin Square Designs

        Multivariate Analysis of Variance

        Sums of Squares by Regression


        Product-Moment Correlations

        Partial and Semi-partial Correlations

        Auto correlations

    Multiple Regression

        Block Entry Multiple Regression

        Stepwise Forward Multiple Regression

        Stepwise Backward Multiple Regression

        Simultaneous Multiple Regression

        Best Fit Multiple Regression

        Cox Regression

        Weighted Least Squares MR

        Non-linear Multiple Regression

        Binary Logistic Regression

        2 Stage Least Squares Regression

    Interrupted Time Series Analysis


        Principal Components and Factor Analysis

        Discriminant Function and MANOVA

        Path Analysis

        Cluster Analysis

            Hierarchical Cluster Analysis (Veldman)

            Single Link Cluster Analysis

            Average Link Cluster Analysis

            K Means Cluster Analysis

        Sum of Squares by Regression

        Canonical Correlation

        Classification Log Linear


            AxB Log Linear

            AxBxC Log Linear

        Bartlett Test of Sphericity

        Correspondence Analysis

        Median Polishing Analysis

    Non Parametric

        Combinations and Permutations

        Binomial Probabilities

        Fisher's Exact Test

        Runs Test

        Chi-Square Analysis

        Wilcoxon Matched Pairs Signed Ranks Test

        Kruskal - Wallis Test

        Friedman Test

        Kendall's Tau Test

        Kendall's Coefficient of Concordance

        Sign Test

        Mann-Whitney U Test

        Q Test

        Spearman Rank Correlation

        Kaplan-Meier Survival Test

        Sen's Slope Estimate (Series Data)

        Kolmogorov-Smirnov Test

        Kappa and Weighted Kappa

        Generalized Kappa

        RIDIT Analysis


        Classical Item Analysis and Reliability

        Hoyt and Cronbach Reliability

        Kuder-Richardson #21 Reliability

        Composite Test Reliability

        Spearman-Brown Prophecy

        Rasch One Parameter Logistic Scaling

        Three Parameter Logistic Scaling

        Guttman Scaling

        Successive Interval Scaling

        Differential Item Functioning

        Reliability Adjusted for Variance

        Classification Reliability

        Generalized Unfolding Model


        Item Banking System

            Enter / Edit Items

            Specify a Test to Administer

            Generate a Test

        Generate Test Item Scores

    Matrix Manipulation

    Statistical Process Control

        XBAR Chart

        Sigma Chart

        Range Chart

        p Chart

        CUM SUM Chart

        c Chart

        U Chart


        Loan Amortization Schedule

        Sum of Years Digits Depreciation

        Internal Rate of Return

        Present Value

        Period Payment


        No. of Periods

        Net Present Value

        Interest Rate

        Interest Payment

        Future Value

        Double Declining Value

    Neural Network

    Linear Programming (SIMPLEX)


    Theoretical Distributions

    Generate Sequential Values

    Generate a Multivariate Distribution

    Generate One of Six Theoretical Distributions

    Generate Incremented Values

    Simulate a Two-Way ANOVA

    Simulate a Product-Moment Correlation

    Generate an Evaluation Report

    Power Curves for Hypotheses

    Plot a z Distribution

    Plot a Chisquare Distribution

    Plot an F Distribution

    Sample Size for a z Test

    Resampling and Bootstrap Demo

    Generate Probabilities

        Studentized q

        F Statistic

        Chi Square Table



        Normal z Functions