Leggere, an internet book retailer, is interested in better understanding the purchase decisions of its customers For a set of 2,000 customer transactions, it has categorized the individual book purchases comprising those transactions into one or more of the following categories Novels, Willa Bean series, Cooking Books, Bob Villa Do It Yourself, Youth Fantasy, Art Books, Biography, Cooking Books by Mossimo Bottura, Harry Potter series, Florence Art Books, and Titian Art Books Leggere has conducted association rules analysis on this data set and would like to analyze the output Based on a minimum support of 200 transactions and a minimum confidence of 50 , the table below shows the top 10 rules with respect to lift ratio a Explain why the top rule If customer buys a Bottura cooking book, then they buy a cooking book, is not helpful even though it has the largest lift and 100 confidence b Explain how the confidence of 52 99 and lift ratio of 2 20 was computed for the rule If a customer buys a cooking book and a biography book, then they buy an art book Interpret these quantities c Based on these top 10 rules, what general insight can Leggere gain on the purchase habits of these customers d What will be the effect on the rules generated if Leggere decreases the minimum support and reruns the association rules analysis e What will be the effect on the rules generated if Leggere decreases the minimum confidence and reruns the association rules analysis Support for Support Support for A 227 379 334 385 Antecedent BotturaCooking Cooking, BobVilla Cooking, Art Cooking, Biography Youth Fantasy Cooking, Art Cooking, BobVilla Biography Novels, Cooking Consequent Cooking for C Confidence Ratio 100 00 54 09 61 08 52 99 A C 227 205 204 204 245 205 2 32 862 482 554 482 512 583 554 2 24 2 20 2 20 Art Biography Art Novels, Cooking BobVilla Biography Novels, Cooking Biography Novels, Cooking 446 54 93 2 15 334 379 554 61 38 57 52 52 89 57 23 51 66 2 11 2 08 2 07 218 293 293 249 512 554 2 07 2 02 512 482 Art 512

Question: Leggere, an internet book retailer, is interested in better understanding the purchase decisions of its customers. For a set of 2,000 customer transactions, it has

Leggere, an internet book retailer, is interested in better understanding the purchase decisions of its customers. For a set of 2,000 customer transactions, it has categorized the individual book purchases comprising those transactions into one or more of the following categories: Novels, Willa Bean series, Cooking Books, Bob Villa Do-It-Yourself, Youth Fantasy, Art Books, Biography, Cooking Books by Mossimo Bottura, Harry Potter series, Florence Art Books, and Titian Art Books. Leggere has conducted association rules analysis on this data set and would like to analyze the output. Based on a minimum support of 200 transactions and a minimum confidence of 50%, the table below shows the top 10 rules with respect to lift ratio.
a. Explain why the top rule €œIf customer buys a Bottura cooking book, then they buy a cooking book,€ is not helpful even though it has the largest lift and 100% confidence.
b. Explain how the confidence of 52.99% and lift ratio of 2.20 was computed for the rule €œIf a customer buys a cooking book and a biography book, then they buy an art book.€ Interpret these quantities.
c. Based on these top 10 rules, what general insight can Leggere gain on the purchase habits of these customers?
d. What will be the effect on the rules generated if Leggere decreases the minimum support and reruns the association rules analysis?
e. What will be the effect on the rules generated if Leggere decreases the minimum confidence and reruns the association rules analysis?

Support for Support Support for A 227 379 334 385 Antecedent BotturaCooking Cooking, BobVilla Cooking, Art Cooking, Biog

Support for Support Support for A 227 379 334 385 Antecedent BotturaCooking Cooking, BobVilla Cooking, Art Cooking, Biography Youth Fantasy Cooking, Art Cooking, BobVilla Biography Novels, Cooking Consequent Cooking for C Confidence Ratio 100.00 54.09 61.08 52.99 A & C 227 205 204 204 245 205 2.32 862 482 554 482 512 583 554 2.24 2.20 2.20 Art Biography Art Novels, Cooking BobVilla Biography Novels, Cooking Biography Novels, Cooking 446 54.93 2.15 334 379 554 61.38 57.52 52.89 57.23 51.66 2.11 2.08 2.07 218 293 293 249 512 554 2.07 2.02 512 482 Art 512

Step by Step Solution

★★★★★

3.44 Rating (170 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a A Bottura cooking book is a specific type of cooking book so whenever a customer purchases a Bottura cooking book they must also have bought a cooking book Thus the confidence of If a customer purch... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Applied Statistics and Probability Questions!

Determine the location e of the shear center, point O, for the thin-walled member. The member segments have the same thickness t. -p- -e-

a. Formulate a linear programming model to minimize costs while meeting all survey constraints imposed by AmeriBank. b. If the profit margin for Sophisticated Surveys is 15 percent of cost, what bid...

A large online retailer is interested in learning about the proportion of customers making a purchase during a particular month who were satisfied with the online ordering process. A random sample of...

A mail-order clothing retailer is interested in improving the accuracy of its customer service agents who enter customer orders into the firm's computerized record system. To monitor the accuracy of...

(All questions must be answered in detail and necessary supporting arguments provided) 1. The file MutualFunds.x/sx contains a data set with information for 45 mutual funds that are part of the...

webassign.net/web/Student/Assignment-Responses/last?dep=32496527 Leggere, an Internet book retailer, is interested in better understanding the purchase decisions of its customers. For a set of 2,000...

Leggere, an internet book retailer, is interested in better understanding the purchase decisions of its customers. For a set of 2,000 customer transactions, it has categorized the individual book...

This problem does not require the use of data mining software and focuses on knowledge of concepts and basic calculations. Leggere, an Internet book retailer, is interested in better understanding...

Association Rules for Bookstore Transactions. Leggere, an Internet book retailer, is interested in better understanding the purchase decisions of its customers. For a set of 2,000 customer...

1. A wheel 30.0 cm in diameter moving along level ground made 145 complete rotations. How many metres did the wheel travel? 2. The side of the silo in Problems 19 and 20 needs to be painted. If each...

The 200-N force is to be resolved into components along lines a-a′ and b-b′. (a) Determine the angle α using trigonometry knowing that the component along b-b′ is to be 120 N....

i f the integral does not converge. 1 d x x 9 8 =

Melvic Ltd. has signed a contract to lease a store from Glen Caper Ltd. nearby for a non-cancel lable period of three years. The arrangement also provides an option for Melvic Ltd. to renew the lease...

Want a brief explanation Why is simple diffusion insufficient for transportation in trees?

4.6 In Example 4.7, if = , show how to obtain a n-consistent estimator by equating sample and population second moments.

Heat maps can be very useful for identifying missing data values in moderate to large data sets. The file Surveyresults contains the responses from a marketing survey: 108 individuals responded to...

The following table shows an example of gross domestic product values for five countries from 2005 to 2010 in equivalent U.S. dollars ($). a. How could you improve the readability of this table? b....

The following table shows monthly revenue for six different web development companies. a. Use Excel to create sparklines for sales at each company. b. Which companies have generally decreasing...

Our new computer system cost us $106,000. We will outgrow it in five years. When we sell it, we will probably get only 20% of the purchase price. CCA on the computer will be calculated at a 30% rate...

(8 pts) Find these critical values: a) t(25, 0.05) b) t(40, 0.975)

Which of the following class headers is correct? Answers: public abstract class Dalek extends Robot implements Exterminate, Comparable public class Dalek extends Robot, implements Exterminate,...