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# 统计学工具下载

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## 统计学工具 描述

TOOL FOR STATISTICS AND PROBABILITY THEORY.
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Features
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- Distribution tool
- Statistical tests
- Descriptives
Besides these areas, the application supports saving, loading, and deleting datasets where applicable.
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Distribution tool
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The distribution tool offers the following features: plot the pdf/pmf, properties (like mean value, variance, and support), cumulative probability, point mass/density, quantiles, and generating/sampling from the distribution.
Discrete probability distributions: Binomial, Hypergeometric, Negative binomial (or Pascal as it is also called), Poisson, uniform, and Zipf
Continuous probability distributions: Beta, Cauchy, Chi^2 (Chi squarred), Exponential, F (or Fisher-Snedecor as it is also called), Gamma, Normal (or Gaussian as it is also called), Student's t, uniform, and Weibull
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Statistical tests
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- One way ANOVA
- Chi^2 tests: Pearson's Chi^2 test for independence and observed vs expected counts
- Correlation tests: Pearson's correlation and Spearman's correlation
- Student's t-tests: One sample and two sample (both homoscedastic and heteroscedastic are supported)
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Descriptives
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- Plot a histogram
- Summary statistics as: number of observations, min, max, mean, standard deviation, variance, median, skewness, and kurtosis

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- 分配工具
- 统计检验
- 描述性

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- 单因素方差分析
- 驰^ 2检验：Pearson卡^ 2独立性检验和观察与预期数
- 相关性检验：Pearson相关和Spearman相关
- 学生的t-检验：一个样品和两个样品（包括同方差和异方差都支持）
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- 绘制直方图
- 汇总统计数据为：观测数，最小值，最大值，平均值，标准差，方差，中位数，偏度和峰度

## 统计学工具 更新内容

General:
- Apache Commons Math updated to 3.2
Bugs fixed:
- Problems with discrete random samples fixed

767.17K

TAG

1.1

Android 2.2.x 以上

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