概率分布
数据频数模型、随机样本生成、参数估计
对样本数据进行概率分布拟合，计算 pdf 和 cdf 等概率函数，计算均值和中值等摘要统计量，可视化样本数据，生成随机数等。使用概率分布对象、命令行函数或交互式 App 来处理概率分布。有关每个选项的详细信息，请参阅Working with Probability Distributions。
概率分布基础知识
- Working with Probability Distributions
- Compare Multiple Distribution Fits
- Fit Probability Distribution Objects to Grouped Data
- Nonparametric and Empirical Probability Distributions
- Supported Distributions
- Random Number Generation
- Maximum Likelihood Estimation
- Negative Loglikelihood Functions
- Grouping Variables
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