Data Mining for Business Analytics: Concepts, Techniques, and Applications with XLMiner
3rd Edition
ISBN: 9781118729274
Author: Galit Shmueli, Peter C. Bruce, Nitin R. Patel
Publisher: WILEY
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Expert Solution & Answer
Chapter 2, Problem 9P
Explanation of Solution
Given: Euclidean distance is one of the ways that can be used to measure the statistical distance between records and is measured as the square root of the sum of the squared differences.
The Euclidean distance for the first two records referred in table 2.7 is as follows:
To find: Whether normalizing the data modifies which two records are farthest from each other concerning Euclidean distance or not.
Solution:
Yes, after normalizing, the data modifies which two records are farthest from each other concerning Euclidean distance...
Expert Solution & Answer
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Q4: Consider the following MAILORDER relational schema describing the data for a mail order
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(10 Marks)
PARTS(Pno, Pname, Qoh, Price, Olevel)
CUSTOMERS(Cno, Cname, Street, Zip, Phone)
EMPLOYEES(Eno, Ename, Zip, Hdate)
ZIP CODES(Zip, City)
ORDERS(Ono, Cno, Eno, Received, Shipped)
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Qoh stands for quantity on hand: the other attribute names are self-explanatory. Specify and
execute the following queries using the RA interpreter on the MAILORDER database schema.
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b. Retrieve the names and cities of employees who have taken orders for parts costing more than
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c. Retrieve the pairs of customer number values of customers who live in the same ZIP Code.
d. Retrieve the names of customers who have ordered parts from employees living in Wichita.
e. Retrieve the names of customers who have ordered parts costing less than$20.00.
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ut
da
Q4: Consider the LIBRARY relational database schema shown in Figure below
a. Edit Author_name to new variable name where previous
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عرفنه شنو الحل
BOOK
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e u
al b
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عرفته شنو الحل
e. Add one book as variables data?
عرفته شنو الحل
Chapter 2 Solutions
Data Mining for Business Analytics: Concepts, Techniques, and Applications with XLMiner
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