NMath Stats is a .NET statistics library containing classes for data manipulation, statistical computation, and biostatistics. Product features include:

- A data frame class for holding data of various types (numeric, string, boolean, datetime, and generic), with methods for appending, inserting, removing, sorting, and permuting rows and columns.

- Functions for computing descriptive statistics, such as mean, variance, standard deviation, percentile, median, quartiles, geometric mean, harmonic mean, RMS, kurtosis, skewness, and many more.

- Special functions, such as factorial, log factorial, binomial coefficient, log binomial, log gamma, incomplete gamma, beta, and incomplete beta.

- Probability density function (PDF), cumulative distribution function (CDF), inverse CDF, and random variable moments for a variety of probability distributions, including beta, binomial, chi-square, exponential, F, gamma, geometric, logistic, log-normal, negative binomial, normal (Gaussian), Poisson, Student's t, triangular, and Weibull distributions.

- Multiple linear regression.

- Basic hypothesis tests, such as z test, t-test, and F-test, with calculation of p-values, critical values, and confidence intervals.

- One-way and two-way analysis of variance (ANOVA) and analysis of variance with repeated measures (RANOVA).

- Non-parametric tests, such as the Kolmogorov-Smirnov test and Kruskal-Wallis rank sum test.

- Multivariate statistical analyses, including principal component analysis, hierarchical cluster analysis, and k-means cluster analysis.

- Nonnegative matrix factorization (NMF), and data clustering using NMF.

- Partial least squares (PLS), including cross validation and the SIMPLS and NIPALS algorithms.

- Data filtering, including a moving average filter and a Savitzky-Golay smoothing filter.

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生產商: CenterSpace Software
參考網頁 http://www.centerspace.net/products/nmath-stats/