Question: Why is PCA sometimes used as Pre - processing step before regression?

Why is PCA sometimes used as Pre-processing step before regression?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
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 Databases Questions!

Q:

How to write your report: Solve the questions in Matlab and produce a neat commented code. Prepare your report in MS Word or similar. Fully answer the questions and provide comments and explanations...

Q:

PCA is used as a pre processing step while building the models.

Q:

Why is PCA sometimes used as Pre - processing step before regression? To make computation faster by reducing dimensionality of data To reduce overfitting by removing poorly predictive dimensions To...

Q:

READ AND SUMMARIZE ARTICLE ANALYZING A PHARMACEUTICAL PRODUCTS KEY DRIVERS Tracking studies are a staple of marketing research. They are especially popular when there are only two or three high...

Q:

READ AND SUMMARIZE ARTICLE ANALYZING A PHARMACEUTICAL PRODUCTS KEY DRIVERS Tracking studies are a staple of marketing research. They are especially popular when there are only two or three high...

Q:

MATHEMATICS FOR MACHINE LEARNING Marc Peter Deisenroth A. Aldo Faisal Cheng Soon Ong Contents Foreword 1 Part I Mathematical Foundations 9 1 Introduction and Motivation 11 1.1 Finding Words for...

Q:

the question of the assignment is in the last piscture and I need it for today please . thank you Implementing LEAN Operations at Caesars Casinos In December 2014, Brad Hirsch stood on the gaming...

Q:

The following is a summary of some of the major phases, or steps, of the data analytics life cycle: Business understanding This phase is also known as the discovery phase. During this phase, an...

Q:

The following is a summary of some of the major phases, or steps, of the data analytics life cycle: Business understanding This phase is also known as the discovery phase. During this phase, an...

Q:

Perform an end-to-end analysis of the dataset below (WalMartStock.xls) and prediction using the concepts used in the book Practical Time Series Forecasting with R: A Hands-On Guide. Use your...

Q:

Assume that the random variables X and Y have the joint distribution given in Table 4.6.(br) (a) What is P(X 1 and Y 0)?(br) (b) What is the conditional probability that Y 0 given that X = 2?(br) (c)...

Q:

Describe the concept of beta. Include what it measures and how its developed.

Q:

It is calculated by adding the inflation premium to r * . It is based on the bond s marketability and trading frequency; the less frequently the security is traded, the higher the premium added, thus...

Q:

Question 1 0 of 2 0 Which of the following statements are true? Check all that apply. A . The graph of f ( x ) = 1 2 x 3 looks like the graph of f ( x ) = x 3 , but will shrink it vertically by a...

Q:

How has Departmental Computing increased the need for HCM Professionals and Technical Staff to be skilled in Business Computing Software and Systems?

Q:

Describe the difference between Two- and Three-Tier Computing Systems.

Q:

Explain the differences between On Premises, SaaS, PaaS, IaaS, and Hybrid Computing environments.