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(10 Points) Consider the following three-class confusion matrix. The matrix shows the classification results of a supervised model that uses previous voting records to determine
- (10 Points) Consider the following three-class confusion matrix. The matrix shows the classification results of a supervised model that uses previous voting records to determine the political party affiliation (Republican, Democrat, or Independent) of members of the United States Senate.
|
| Computed Decision | ||
| Republican | Democrat | Independent | |
| Republican | 42 | 2 | 1 |
| Democrat | 5 | 40 | 3 |
| Independent | 0 | 3 | 4 |
- (1 Point) What percent of the instances were correctly classified? _______%
- (3 Points) According to the confusion matrix, how many Democrats are in the Senate? _____ How many Republicans? _____ How many Independents? _______
- (1 Point) How many Republicans were classified as belonging to the Democratic Party? _______
- (1 Point) How many Independents were classified as Republicans? _______
- (1 Point) How many Democrats were classified as Independents? _______
- (1 Point) What percent of Republicans were incorrectly classified? _______%
- (1 Point) What percent of Democrats were incorrectly classified? _______%
- (1 Point) What percent of Independents were incorrectly classified? _______%
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Oracle Database 11g SQL
Authors: Jason Price
1st Edition
0071498508, 978-0071498500
