随笔分类 -  Statistics

Statistics for data science
[Statistics] Comparison of Three Correlation Coefficients: Pearson, Kendall, Spearman
摘要：There are three popular metrics to measure the correlation between two random variables: Pearson's correlation coefficient, Kendall's tau and Spearman 阅读全文
posted @ 2020-03-04 03:34 Sherrrry 阅读(343) 评论(0) 推荐(0)
A/B Testing with Practice in Python (Part Two)
摘要：This is the second part of A/B testing notes, which contains the practical issues and alternatives of A/B testing. The fundamental introduction of A/B 阅读全文
posted @ 2019-02-13 10:36 Sherrrry 阅读(251) 评论(0) 推荐(0)
A/B Testing with Practice in Python (Part One)
摘要：I learned A/B testing from a Youtube vedio. The link is https://www.youtube.com/watch?v=Bu7OqjYk0jM. I will divide the note into two parts. The first 阅读全文
posted @ 2019-02-12 12:37 Sherrrry 阅读(435) 评论(0) 推荐(0)
[Math Review] Statistics Basics: Main Concepts in Hypothesis Testing
摘要：Case Study The case study Physicians' Reactions sought to determine whether physicians spend less time with obese patients. Physicians were sampled ra 阅读全文
posted @ 2019-02-12 05:54 Sherrrry 阅读(246) 评论(0) 推荐(0)
[Math Review] Statistics Basic: Estimation
摘要：Two Types of Estimation One of the major applications of statistics is estimating population parameters from sample statistics. There are types of est 阅读全文
posted @ 2019-02-07 08:26 Sherrrry 阅读(362) 评论(0) 推荐(0)
[Math Review] Statistics Basic: Sampling Distribution
摘要：Inferential Statistics Generalizing from a sample to a population that involves determining how far sample statistics are likely to vary from each oth 阅读全文
posted @ 2019-02-07 00:38 Sherrrry 阅读(297) 评论(0) 推荐(0)