Correlation and regression, Basic Statistics

Assignment Help:

The square of the sample correlation coefficient is typically denoted r2 and called the coefficient of determination. It estimates the fraction of the variance in Y that is explained by X in a simple linear regression. So if we have the observed dataset {y1,...yn} and the fitted dataset {f1,...fn}, and we denote the fitted dataset {f1,...fn} with {y1,...yn}, then as a starting point the total variation in the Yi around their average value can be decomposed as follows

Related Discussions:- Correlation and regression

Determine the probability of coding region , Using 1 st order models shown...

Using 1 st order models shown in homework 2 solution determine the probability of coding region in frame two for DNA fragment AGTAGCTTCCAG. Use only parameters provided in the hom

Hypothesis the basic short-run and long-run, In reguards to the airlines in...

In reguards to the airlines indusry, provide a minimum of 300 words for each statement. plus atleast 3 academic resources. 1. hypothesis the basic short-run and long-run behavio

AMORTIZATION , AMORTIZATION The slow decrease or liquidation of an quantit...

AMORTIZATION The slow decrease or liquidation of an quantity over a time interval according to a specified program (such as, the pension of a debts by sequential repayments to the

Description statistics, Ask question #Minim um 100 words accepted#

Ask question #Minim um 100 words accepted#

Accounting and finance for managers , From the following cost, production...

From the following cost, production and sales data of Decors Motor Ltd., prepare comparative income statement for three years under (i) absorption costing method, and (ii) marginal

Actual velocity, A boat is heading across a river at a velocity of 25 mph. ...

A boat is heading across a river at a velocity of 25 mph. The river is flowing downstream at 10 mph. What is the actual velocity of the boat?

Study guide, Answers & examples of accounting for the follow on the file be...

Answers & examples of accounting for the follow on the file being sent to you.

What are saturn’s rings like, What are Saturn’s rings like? - Saturn’s ri...

What are Saturn’s rings like? - Saturn’s rings are made of tiny icy objects ranging from particles to boulders each orbiting Saturn independently like a tiny moon. They lie in S

Characteristics of statistics, Mention the characteristics of Statistics. E...

Mention the characteristics of Statistics. Explain any two applications of Statistics.

Relationship between mediation activity, Is there a relationship between me...

Is there a relationship between mediation activity and cooperation between two nations in conflict? A data set was assembled across 15 time periods. Both variables were measured on

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages