Sitemap

Review of Statistics, Probability Theory, and Hypothesis Testing

Statistics is a mathematical science pertaining to the collection, analysis, interpretation or explanation, and presentation of data.

Casual Inference - Causation vs Association, Randomized Experiments, and Observational Studies

This is a series of study notes of Causal Inference: What If, by Miguel A. Hernán and James M. Robins (2020). The book provides a comprehensive overview of c...

Understanding Three Types of Price Discrimination

In this post, I will discuss three common types of price discrimination. Brifely, price discrimination means that some commodity is sold at different prices ...

Study Thoughts

This post is to share some of my thoughts of systematically studying statistics, causal inference, sql, machine learning, data structure and algorithms. So f...

Bias-Variance-Noise Decomposition

This post is about bias-variance-noise decomposition in modeling.

Naive Bayes Classifier

This post is about Naive Bayes Classifier and the link between Naive Bayes classifier and Logistic Regression.

Objectivized education system

Have struggled for a long time, I decide to write it out.

Future of higher education

I am so inspired by Parker Palmer’s article that I can’t agree more of his saying. Here I cited two parts that I was resonated the most.

Reflection on higher education

Before I came to America, I might never systematically think about what is the essence of higher education, how to establish it, and to what approach to real...

‘Shall we accept the change that caused by the Internet?’ vs ‘Shall we accept that the change is caused by ourselves?’

I have a lot to say about this week’s topic, “Attention and multi-tasking”. Frankly, I’ve got lost in the reading obstacle for a long time. I used to be a bo...

How do we develop mindful learning from very beginning?

People are nature learners. Since they were born, they were exposed to a society that they have not (have not been able to develop) a single idea what is wha...

A deserved pain?

Once I saw a question on ZhiHu (a Chinese website, similar to Quora), “How much will poverty affect people’s mind and body?” There are over 9 thousands of an...

Unrolling User Referrals - A Model for Predicting User Referrals in Online Education

The E-learning industry has grown rapidly over the last decade and this trend is expected to continue thanks to increasing acceptance of remote learning cour...