JiayiwuinAnalytics BuddiesThe difference between HAVING and WHERE clause in SQL.When analysts use querying to pull their desired data, they often use the WHERE clause. The WHERE clause can filter rows that meet the…Feb 21, 2021Feb 21, 2021
JiayiwuinAnalytics BuddiesIs R squared the higher the better?Last semester, the group project required us to develop a multiple linear regression model that we think will make the best prediction. We…Feb 20, 2021Feb 20, 2021
JiayiwuinAnalytics BuddiesHow to Get the Optimal Policy with MDPtoolbox in R?In recent lectures of Decision Analysis under Uncertainties, professor Hao Zhang taught us how to use R code to analyze and solve…Feb 19, 2021Feb 19, 2021