Question: a) Tree pruning is an important step in building a decision tree model. Answer the following questions related to tree pruning: 1) Explain the

a) Tree pruning is an important step in building a decision tree

a) Tree pruning is an important step in building a decision tree model. Answer the following questions related to tree pruning: 1) Explain the purpose of tree pruning. (1 mark) 2) Explain pre-pruning and post-pruning. (2 marks) 3) Compare them to discuss their advantages and disadvantages. (2 marks) b) A data mining team would like to use random forest to improve the classification performance of their decision tree model. However, the number of attributes in their training data is relative small. Please recommend a suitable way to them to construct the random forest model and describe each step of it. (3 marks)

Step by Step Solution

★★★★★

3.58 Rating (158 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

4 ANSWER GIVEN THAT 1 Pruning could be a information compression procedure in machine learning and look calculations that decreases the measure of choice trees by expelling segments of the tree that a... 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 Accounting Questions!

Answer the following questions related to a companys activities for the current year: 1. After using an expected useful life of 20 years and no salvage value to depreciate its office equipment over...

Answer the following questions related to these goods: apples, Stephen King novels, street lighting on campus, and NPR radio broadcasts. a. Which of these goods are non-rival? b. Which of these goods...

Please answer the following questions related to the article provided and submit your paper to the assignment link. Please ensure that you list the article on your References page, and use in-text...

Modern Industries manufactures a variety of computer parts and accessories in a rapidly changing technological environment. At year-end 2004, it reported the following comparative information...

Santa's Holiday Farm sells and delivers fir trees over the holiday season. The trees sell for $50 each and the farm also offers a removal service after the holiday season for $20. The trees cost $15...

Review the OBrien Focus Case on pages 65-66 and then answer the following questions related to that case. 1. The Court of Claims judge in this case interpreted the facts in favor of OBrien when the...

The Coca-Cola Company and PepsiCo, Inc. Instructions Go to the books companion website and use information found there to answer the following questions related to The Coca-Cola Company and PepsiCo...

Go to the books companion website and use information found there to answer the following questions related to The Coca-Cola Company and PepsiCo, Inc. (a) Which company had the greater percentage...

Cadbury and Nestl Instructions Go to the books companion website and use information found there to answer the following questions related to Cadbury and Nestl. (a) Which company had the greater...

2) What is crystallization? Discuss indetail the diffrent tupes of Industrial crystallizers (GMarks) 2) UOhcu -B ducal -the dupes 0 f ndu5JdicU Ccry ( Olczrks)

A parachute company sells safety devices that are designed to fire, releasing the reserve parachute, at a mean height of 335.2 m with a standard deviation of 12.1 m. The company recently updated the...

1. Although Apples inbound logistics began with Apple controlling the assembly of its computers, it shifted to having suppliers acquire raw materials with contract manufacturers handling most of the...

Compose two (2) pieces of academic writing on the following questions. Responses should be 800 words each and have a short introduction, body, and a short conclusion. Research Task 1 What are the...

Timber Log Homes Ltd. (Timber) has produced log home kits in its current location of Langley, British Columbia, since 1987. Until recently, Dean Fortin, the chief operating officer, was the sole...

Find the annual depreciation using SYD method. A Computer Company has purchased some computers worth $5,000,000. It cost them $200,000 to transport the Computer to their location. The Company...

68 On September 1, Global Compairy factored $800,000 of acts able with Marks Financing without recourse besis. Under the was to make the collections, handle the sales discounts, and absorb the credit...

Classify each of the following activities as proper or prohibited under the various consumer statutes you have studied. a. Calling a hospital room to talk to a debtor who is a patient there. b....

Nokia prepares a cash budget. What is a cash budget? Why must operating budgets and the capital expenditures budget be prepared before the cash budget?

An advertising agency is estimating costs for advertising a music festival. The job will require 50 direct labor hours at a cost of $60 per hour. Overhead costs are applied at a rate of $95 per...

Refer to information in QS 24-14. Assume that actual sales are $265,000, actual variable costs for the year are $59,000, and actual fixed costs for the year are $73,400. Prepare a flexible budget...

When faced with stress, women are more likely than men to exhibit the ___________-and- ___________ response.

Which of the following is NOT part of the evidence presented to support the view that humans are strongly motivated by a need to belong? Students who rated themselves as very happy also tended to...

The _______-_______ theory of emotion maintains that a physiological response happens BEFORE we know what we are feeling.