Answer the following questions : In real-world data, tuples with missing values for some attributes are a common occurrence. Describe various methods for handling this problem. The following data (in increasing order) represent the attribute age: 13, 15, 16, 16, 19, 20, 20, 21, 22, 22, 25, 25, 25, 25, 30, 33, 33, 35, 35, 35, 35, 36, 40, 45, 46, 52, 70 Use smoothing by bin means to smooth these data, using a bin depth of 3. Illustrate your steps. Comment on the effect of this technique for the given data. How might you determine outliers in the data? What other methods are there for data smoothing?
Answer the following questions : In real-world data, tuples with missing values for some attributes are a common occurrence. Describe various methods for handling this problem. The following data (in increasing order) represent the attribute age: 13, 15, 16, 16, 19, 20, 20, 21, 22, 22, 25, 25, 25, 25, 30, 33, 33, 35, 35, 35, 35, 36, 40, 45, 46, 52, 70 Use smoothing by bin means to smooth these data, using a bin depth of 3. Illustrate your steps. Comment on the effect of this technique for the given data. How might you determine outliers in the data? What other methods are there for data smoothing?
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Answer the following questions :
In real-world data, tuples with missing values for some attributes are a common occurrence. Describe various methods for handling this problem.
The following data (in increasing order) represent the attribute age: 13, 15, 16, 16, 19, 20, 20, 21, 22, 22, 25, 25, 25, 25, 30, 33, 33, 35, 35, 35, 35, 36, 40, 45, 46, 52, 70
Use smoothing by bin means to smooth these data, using a bin depth of 3. Illustrate your steps. Comment on the effect of this technique for the given data.
How might you determine outliers in the data?
What other methods are there for data smoothing?
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