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Date: 8 November 2020 As we near the end of the Year 2020, it is time to reflect on the goals set at the beginning of the year. Reflection is vital as Albert Einstein said: We cannot solve our problems with the same thinking we used when we created them.

Date: 3 October 2020 I have been asked many times, which brokerage firm you use? The short answer is I use Interactive Brokers (Disclaimer: No affiliation). But the underlying question is what are the benefits of using the brokerage firm you are using. I can only share my experience with

In #7, I have talked about choosing the adjusted R square as the error metric. In this article, I am going to summarize the features of K nearest neighbour model, the simplest model to use in predicting house price. The reason I want to use KNN is just that it

In #6, I have talked about building a Minimum Viable Product (MVP). In this post, I am going to discuss the different matrices to evaluate a regression model and my choice for the problem. NOTATIONS * n is the number of testing samples. * y_i is the i th predicted value.