### Fall in Pennsylvania

October 6, 2022

### Bootstrap is A Method to Quantify Uncertainty

March 30, 2022

### How to interpret R diagnostics plots

March 3, 2022

### Some Cross-Validation Methods

March 2, 2022

### Linear model selection and regularization

February 27, 2022

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

February 22, 2022

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

February 21, 2022

### Algorithm|Greedy|Assign Cookies

February 6, 2022

### Algorithm|Hash table|3Sum

February 6, 2022

### Algorithm|Hash table|4Sum II

February 6, 2022

### Algorithm|Hash table|Ransom Note

February 6, 2022

### Algorithm|Hash table|Two Sum

February 6, 2022

### Algorithm|Regular Expression

February 6, 2022

### Algorithm|String| Implement strStr() with KMP

February 6, 2022

### Algorithm|String|Replace white space

February 6, 2022

### Algorithm|String|Reverse String II

February 6, 2022

### Algorithm|String|Reverse String with two pointers

February 6, 2022

### Algorithm|String|Reverse Words in a String

February 6, 2022

### Generative v.s. Discriminative Models

February 6, 2022

### Algorithm|Hash table|Happy Number

February 5, 2022

### Algorithm|Hash table|Intersection of Two Arrays

February 5, 2022

### Algorithm|Hash table|Valid Anagram

February 5, 2022

### Algorithm|Linked List|Basic of Linked List

February 3, 2022

### Algorithm|Linked List|Design Linked List

February 3, 2022

### Algorithm|Linked List|Remove Linked List Elements with dummy head

February 3, 2022

### Algorithm|Linked List|Remove Nth Node From End of List with two pointers

February 3, 2022

### Algorithm|Linked List|Reverse Linked List with two pointers

February 3, 2022

### Algorithm|Linked List|Swap Nodes in Pairs

February 3, 2022

### HTML|Day01-05 Introduction

February 3, 2022

### Algorithm|Binary Search

February 2, 2022

### Algorithm|List|Basic Theory of List

February 2, 2022

### Algorithm|List|Minimum Size Subarray Sum with sliding window

February 2, 2022

### Algorithm|List|Remove element in list with slow and fast pointers

February 2, 2022

### Algorithm|List|Spiral Matrix II

February 2, 2022

### Algorithm|List|Squares of a Sorted Array

February 2, 2022

### How to Add LaTeX Support in Hugo

February 1, 2022

### Linear Classifiers: Perceptron, Logistics Regression, SVM

January 27, 2022

### Machine Learning Process^{ [draft]}

January 26, 2022

### Naive Bayes and K-NN

January 26, 2022

### Notes|K Nearest Neighbor (KNN)^{ [draft]}

January 25, 2022

### Notes|Cheatsheet for Basic Python^{ [draft]}

January 21, 2022

### Notes|Cheatsheet for Basic Python Numpy Library^{ [draft]}

January 21, 2022

### Notes|Cheatsheet for Basic Python Pandas Library^{ [draft]}

January 21, 2022

### Note|Data Mining & Analysis Intro Ep.0^{ [draft]}

January 21, 2022

### Notes|Cheatsheet for Basic SQL Code^{ [draft]}

January 19, 2022

### Notes|What A Qualified Data Analyst Should be Able to Do

January 19, 2022

### What I Think Data Visualization Is in 2022

January 15, 2022

### My YouTube 2018-2022 Watch History in A Heatmap Using GitHubPoster

January 11, 2022

### Leetcode|Python Some String Problems

January 10, 2022

### My 16Personalities Test Results is ENFJ

January 8, 2022

### Leetcode|Python Linked List Column

January 5, 2022

### Leetcode|Python 856 Score of Parentheses

January 4, 2022