Tag Archives: R-Programming

Brewer’s Analysis

Principal Component Analysis is an important dimensional reduction technique in machine learning field. Today, I will demonstrate how to perform PCA and how to interpret the result of matrix rotation by using Brewer’s Recipe data.

Continue reading

Regression Analysis

People use regression model a lot to predict continuous variables. Other than that, regression model finds the correlations between input variables. By analyzing the relationships, people could find some underlying pattern to help us make decisions. Today, I will demonstrate how to do regression analysis and interpret its results by using house data from King County, Washington from May 2014 through May 2015.

Continue reading