R Info634 DATA ANALYTICS & BUSINESS INTELLIGENCE Week 2 Data management reading a local/remote files with different formats data mutation e.g., add/remove column; recoding; sorting export data selecting rows and columns summarizing merging files correlation & linear regression conn to mysql Week 3 Data visulisation Additional lab - Features & Trees Read Titanic data Exploratory data analysis e.g., What percent survived? what percent of each gender survived? ggplot - whehter Pclass affect the survival rate? Build the decision tree & plot the tree Training/Testing splitting for evaluation Further learning for randomforest; corssvalidation