Quiz 10 - Regression, Cluster Analysis, & Association Analysis

[angadsinghsandhu]

1. In classification, you're predicting a category, and in regression, you're predicting a number
2. Determining whether power usage will rise or fall
3. Determine the regression line that best fits the samples.
4. In simple linear regression, the input has only one variable. In multiple linear regression, the input has more than one variables.
5. To segment data so that differences between samples in the same cluster are minimized and differences between samples of different clusters are maximized.
6. All of these choices are valid uses of the resulting clusters.
7. The mean of all the samples in the cluster
8. Assign each sample to the closest centroid, then calculate the new centroid.
9. To find rules to capture associations between items or events
10. A transaction or set of items that occur together
11. Captures the frequency of that item set
12. Prune rules by eliminating rules with low confidence