Georgia Institute Of Technology ISYE 6501 Homework 6 Complete Solutions - Introduction To Analytics Modeling - GTX ISYE 6501

Document Content and Description Below

Question 9.1 Using the same crime data set as in Question 8.2, apply Principal Component Analysis and then create a regression model using the first few principal components. Specify your new model ... in terms of the original variables (not the principal components), and compare its quality to that of your solution to Question 8.2. You can use the R function prcomp for PCA. Note that to first scale the data, you can include scale. = TRUE to scale as part of the PCA function. Don’t forget that, to make a prediction for the new city, you’ll need to unscale the coefficients (i.e., do the scaling calculation in reverse! [Show More]

Last updated: 1 year ago

Preview 1 out of 11 pages