Q: Neural nets (and NeuralTools) can also be used when the
Neural nets (and NeuralTools) can also be used when the dependent variable is continuous, not categorical. In this case, the method is an alternative to multiple regression. The file P14_13.xlsx conta...
See AnswerQ: Continuing problem 6, there is another method that has been suggested
Continuing problem 6, there is another method that has been suggested when the dependent variable has only a small percentage of one category, in this case Y(yes). This is oversampling. To do this, yo...
See AnswerQ: The file P14_15.xlsx contains the following information about
The file P14_15.xlsx contains the following information about the top 25 MBA programs (according to the 1997 Business Week Guide): percentage of applicants accepted, percentage of accepted applicants...
See AnswerQ: The file P14_16.xlsx contains various data on 325
The file P14_16.xlsx contains various data on 325 metropolitan cities in the United States. Cell comments in row 1 explain some of the variables. A Microsoft Data Mining add-in (not discussed here) wa...
See AnswerQ: The file contains the same wine data. Instead of trying to
The file contains the same wine data. Instead of trying to use a classification algorithm to classify wines into the three known types (A, B, and C), it is interesting to see if a clustering algorithm...
See AnswerQ: Using the data in the file P14_18.xlsx,
Using the data in the file P14_18.xlsx, the same data as in Problem 16, use the method in Example 14.5 to find four clusters of cities. Note that there are two text variables, Crime_Trend and Unemploy...
See AnswerQ: Using the data in the file, the same data as in
Using the data in the file, the same data as in Problem 17, use the method in Example 14.5 to find three clusters of wine types. (Of course, don’t use the Type variable when creating clusters.) Write...
See AnswerQ: A pharmaceutical company manufactures two drugs at Los Angeles and Indianapolis.
A pharmaceutical company manufactures two drugs at Los Angeles and Indianapolis. The cost of manufacturing a pound of each drug depends on the location, as indicated in the file. The machine time (in...
See AnswerQ: Using the same beer preference data in the file P14_01
Using the same beer preference data in the file P14_01.xlsx, discretize the Income and Age variables according to their quartiles. Then use the naïve Bayes procedure to classify the 100 customers as h...
See AnswerQ: This problem lets you see how dissimilarity, the key to clustering
This problem lets you see how dissimilarity, the key to clustering, might be calculated and then used for prediction. The file contains data for 10 people. The value of Amount Spent for person 10 is u...
See Answer
