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China’s face recognition

Please click the following link to watch a video on China’s face recognition. Life Inside China’s Total Surveillance State

Feature Extraction

When we are doing traditional machine learning methods such as decision trees, we must know essential features to decide the target. So before we make any machine learning model, we …

How Netflix’s recommendations system works

The contents here are from the Netflix website. Our business is a subscription service model that offers personalized recommendations, to help you find shows and movies of interest to you. …

Dimensional Measures

You might have seen Euclidean distance d(x,y)= √((∑(x-y )^2 )) in high school math. It is summing up the squares of two points, after then square rooting the summation. For …

Application of Linear Regression

Linear regression is probably the most simple algorithm that one can perform. It is nothing but combinations of some additions and multiplications, at least in the equation’s look. But linear …

Control Variable in Charter School Study

In the charter school study example, the independent variable is charter education-related inputs, while the dependent variable is students’ performance. Do you recall that you should not conclude the causality …

Charter school study

The contents here is from the website: School Finance 101 Data and thoughts on public and private school funding in the U.S. Thoughts on “Randomized” vs. Randomized Charter School Studies …

Importance of Data Quality

You might feel dizzy after learning too much. You may focus on the best method that answers your question. However, the most challenging step is not choosing the most appropriate …

Machine Learning Applications in Industry

Machine learning is nothing more than algorithms to analyze data and make rules based on the finding. It sounds simple now, right? However, it will create more than powerful processing …

Japan Leads the World in Patenting

Japan remains an innovation powerhouse, according to a geographical analysis of patenting that shows Tokyo-Yokohama is much the largest such cluster in world. Japan’s Inventors Top Patent Application Study The …