Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Perform a White test for heteroskedasticity using auxiliary regressions. Attach your results, and write out the form of the test as well as the value of the statistic and its interpretation.
Answer: Sometimes the researcher wish to verify if more than one variable is proportionality factor in the heteroscedasticity process: in these situations it is preferable to consider the Breush Pagan test or the White test. The White test has the advantage that it does not assume a specic form of heteroscedasticity.
It is based on a auxiliary regression with suqred residuals as dependent variable and regressors given by: the regressors of the initial model,, their squares and their cross-products. The White test procedure is as follows:
1 - we estimate the regression model throught OLS obtaining the OLS residuals, ei. For instance we estimate: ^yi = b0 + b1x1i + b2x2i, then ei = yi y^i;
2 - we estimate an auxiliary regression model with e2i as dependent variable and initial regressors, their squares and cross-products as covariates. For instance, we estimate:e2i =0 +1x1i + 2x2i + 3x21i +4x22i +5x1ix2i.3 - we verify the signicance of the auxiliary regression throught the test nR2, which, under the null hypothesis (omoscedasticity) has 2(q), where the degrees of freedom q are equal to the number of regressors in the auxiliary model. In the example q = 5.4 - if the sample value of the 2(q) is greater than the critical one we reject the null hypothesis of omoscedasticity.
Problems A smart card, join credit card and debit card properties. The 3 by 5 mm security chip surrounded in the card is exposed enlarged in the inset. The contact pads
how would you fix this sentence... The fact that he is in an alley, bleeding on the ground, a couple of things are going through his mind; one is “That was a fierce rumble. They go
aims of education in present scenerio
Question 1: (a) Knowledge of the stages of child growth and development is believed to be an important aspect for a counselor. Discuss. (b) Using a concrete example, expla
how i present my assignment on lanthinides contraction nd give me ideas on it
impacts of information technology in the developing countries
I need help with my lab, can some one help me
"There is only one social responsibility of business: to use its resources and engage in activities designed to increase its profits" (a) Explain how the definition of CSR has
Identify three human resource practices that can impede customer service employees from delivering high quality service. Describe how you would modify each practice to promote high
Methods of Overtaking Maneuvers Early studies or researches on overtaking manoeuvre were developed by the American, Swedish and Australian. The first study was done by Lauer a
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd