'Data Analysis' is a package with basic statistical data checks. It includes both one- and two-dimensional data visualization and evaluation of most used sample characteristics like average, deviation, skewness, kurtosis, antikurtosis, Pearson's variation coefficient etc.
One-dimensional data is grouped by variants and classes. Then frequency histogram and empirical function are visualized as well as parameters of distribution and commutative distribution functions are estimated.
The package is able to find out parameters of possible Normal, Exponential, Uniform and Weibull distribution law. Kolmogorov's and Pearson’s checks as fitness quality criteria.
Data simulation tool also comes built-in. It generates random samples of various size by set of parameters of Exponential, Normal or Weibull law.
For two-dimensional data samples correlation field is displayed. Linearand parabolic regression parameters are estimated.
Program supports single sample text files as well as CSV-files as input (data format examples are attached).
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