Question 22:  Use the unscaled data seed1, perform k means clustering analysis, with k=3, and draw the cluster plot using R function >fviz_cluster() in the R package “factoextra”. Please screenshot your figure here. If your “factoextra” package does not load well, you may use R function >plotcluster() in the R package “fpc” instead.

7. What is NOT an appropriate metrics for model comparison for the Boston Housing data? 

After you finish reading this question and start to look over the multiple-choice answers below, your ability to remember what you just read is stored in which of the following?

Given what we know about the operation of the phonological loop, which of the following word lists would be MOST difficult for people to retain for 15 seconds?

The rereading of your notes or textbook creates an illusion of learning due to the

Question 23: Now scale your “seed1” data using function >scale() with mean 0 and standard deviation 1 and save the data to “seed1scale”. Please paste your line of R code here.

Question 25:  Use the scaled data seed1scale, perform k means clustering analysis, with k=3, and draw the cluster plot using R function >fviz_cluster() in the R package “factoextra”. Please screenshot your figure here. If your “factoextra” package does not load well, you may use R function >plotcluster() in the R package “fpc” instead.

Part I. Multiple-Choice Questions. 1. Which of the following will result in the SAME answer? (Check ALL that apply. There may be MULTIPLE answers to this question.)

Part I. Multiple-Choice Questions. 1. Which of the following may result DIFFERENT answer given the same data? (Check ALL that apply. There may be MULTIPLE answers to this question.)

A mass casualty incident occurs, and emergency responders are using the START triage method to assess victims. Which of the following patients should be tagged yellow?