Environmental Stats for S-PLUS

Environmental Stats for S-PLUSは、統計モデルを環境問題へ適用する際のS-PLUSツール群です。環境統計学においてしばしば利用されるグラフィックスと統計手法からなります。

Feature List

Additional Probability Distributions

• Chi
• Empirical
• Extreme Value
• Generalized Extreme Value
• 3-Parameter Lognormal
• Mixture of Two Lognormals
• Truncated Lognormal
• Mixture of Two Normals
• Truncated Normal
• Pareto
• Non-central Student's t
• Triangular
• Zero-Modified Lognormal (Delta)
• Zero-Modified Normal

Probability Density and Cumulative Distribution Plots

Q-Q Plots for All Probability Distributions

Estimation of Distribution Parameters and Quantiles, and Confidence Intervals

• Maximum Likelihood
• Minimum Variance Unbiased
• Method of Moments
• Method of L-Moments

Goodness-of-Fit Tests

• Chi-Square
• Kolmogorov-Smirnov
• PPCC
• Shapiro-Francia, Shapiro-Wilk
• Printing and Plotting Methods for Results

Prediction and Tolerance Intervals

Methods for Type I Singly and Multiply Censored Data

• Empirical Cumulative Distribution Plots
• Quantile-Quantile (Probability) Plots
• Goodness-of-Fit Tests
• Estimation, Hypothesis Testing, and Confidence Intervals

Special Hypothesis Tests

• Seasonal Kendall Test for Trend
• Quantile Test (Detects Shifts in Tail of Distribution)

Sample Size and Power Calculations and Plots

Tools for Probabilistic Risk Assessment

• Latin Hypercube Sampling
• Generate Random Numbers from Different Distributions With a Specified Rank Correlation

Built-in Data Sets

Extensive Hypertext Help System; Use as an Electronic Text Book

Environmental Stats for S-PLUS ご購入について

Environmental Stats for S-PLUSの価格、購入方法については、株式会社 NTTデータ数理システム 宛お問合せください。