DAVS(Data Analysis & Visualization System)
  DAVS is a statistics software to implement data analysis, multivariate statistical analysis and 2D, 3D, 4D data visualization.  



Excel-like data editor is easy to use, quick import and edit large data.

Quick import and output .xls data.
Probability analysis

    Probability density function values

    Cumulative distribution function values

    Survival function values

    Hazard function values

    Quantile values

    Means and variances
Compute descriptive statistics of selected data.
Frequency analysis.
Hypothesis tests - compare means

    One sample Z test

    Two samples Z test

    One sample t test

    Independent-samples t test

    Paired-samples t test
Hypothesis tests - compare variances

    One sample

    Two samples

    K samples(Levene test)

Hypothesis tests - correlation tests.
Variance analysis

    One-way ANOVA

    Two-way ANOVA
Non-parametric tests

    Binomial test

    One sample Chi-square test

    Two samples Chi-square test

    One sample K-S test

    Two samples K-S test

    Sign test

    Runs test

    Wilcoxon signed rank test

    Mann Whitney U test

    Shapiro-Wilk test

    Anderson Darling test

    Lilliefors test

    D'Agostino test

    Kruskal-Wallis test

    McNemar test

    Friedman test

    Cochran Q test

    Kendall's W test

MultiVariate Analysis Base

    Outlier Test

    Descriptive Statistics

    Hypothesis Tests

       Compare Means Vector

          One Population

          Two Populations

          Paired Populations

       Compare Covariance

          One Population

          Multiple Populations


       Complete Randomized Design

       Randomized Blocks Design

    Multivariate Normal Test
Regression analysis

    Univariate linear regression

    Multivariate linear regression

    Linear curve fitting

    Nonlinear curve fitting

    Trend surface analysis

    Stepwise regression
Correlation analysis

    Bivariate correlation analysis

    Partial correlation analysis

    Canonical correlation analysis
Cluster analysis

    Stepwise cluster analysis

    Hierarchial cluster analysis

    Dynamical cluster analysis
Stepwise discriminant analysis.
Principal component analysis.
Factor analysis.
Correspondence analysis.

30+ 2D charts.

    Simple & clustered dot charts

    Simple & clustered line charts

    Simple, clustered, stacked and stacked % bar charts

    Simple, stacked and stacked % area charts

    Simple pie chart

    Simple & clustered stem charts

    Simple & clustered step charts

    Simple & clustered error bar charts

    Simple & clustered box charts

    Simple & clustered high-low charts

    Simple & clustered range bar charts

    Simple & clustered range charts

    Scatter plot


    P-P Plot

    Q-Q Plot

    Isoprobabilistic Confidence Ellipse

    Isoprobabilistic Confidence Ellipsoid

    Chi-square Plot(P-P Plot)

    Chi-square Plot(Q-Q Plot)

Data Visualization

    For 3D surface data & 4D volume data

    For cartesian, cylindrical and spherical data

    For regular & irregular data

    2D colormap, contour plot and vector plot

    3D scatter plot, surface, 3D contour plot, 3D Delaunay triangulation, 4D surface

    4D scatter plot, vector plot, slice, isosurface

    Texture mapping for 3D surface

  Graph Samples  
  Statistics Plots  
  Data Visualization  
3D Surface
4D Surface
Cylindrical 3D Surface
Visualization software created.
3D Contour
Using data visualization software to create this map -
contour map
3D contour plot on cylindrical surface
3D contour plot on spherical surface
Delaunay triangulation
4D Slices
4d slices + vector plot
4D Slices
4D Isosurfaces
4D Surfaces
  System Requirements  
  Windows XP or newer  

Math Software -> DAVS


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