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## Bootstrap is A Method to Quantify Uncertainty

Summary of bootstrap

## Some Cross-Validation Methods

Summary about some cross-validation methods and their pros and cons

## Linear model selection and regularization

Summary about comparison between least square method and shrinkage method.

## What You Should Know About Logistic Regression and Naive Bayes

Some take outs from machine learning

## Hypothesis testing and difference between z-Test and t-Test

Basic concepts of statistics

## What I Think Data Visualization Is in 2022

What I think is data visualization, some hot topics and trends

## How to interpret R diagnostics plots

Summary about how to interpret R diagnostics plots