Re: [R] Hypothesis Testing using Wald Criterion for two regression models with dummy variables

2012-05-02 Thread peter dalgaard
On May 1, 2012, at 22:01 , meredith wrote: I have two models, controlled by dummy variables to see if the models can be combined into one model with similar intercepts and slopes. Has anyone tried to conduct this type of test in R. I am utilizing the econometric idea of hypothesis testing

Re: [R] Hypothesis Testing using Wald Criterion for two regression models with dummy variables

2012-05-02 Thread Bert Gunter
Meredith: You are clearly out of your depth. Get local help. R-help is, err, an R help list, not a resource for remote statistical consulting. Although, I admit, there is often some overlap. -- Bert On Wed, May 2, 2012 at 5:58 AM, peter dalgaard pda...@gmail.com wrote: On May 1, 2012, at

Re: [R] Hypothesis Testing using Wald Criterion for two regression models with dummy variables

2012-05-02 Thread meredith
Peter- Maybe I have not articulately my problem clearly, I have had local help with the statistical part just trying to figure out how to correctly program this test. For clarity's sake, I have months worth of data, I want to potentially combine those months into four, shall we say seasons,

Re: [R] Hypothesis Testing using Wald Criterion for two regression models with dummy variables

2012-05-02 Thread peter dalgaard
On May 2, 2012, at 15:48 , meredith wrote: Peter- Maybe I have not articulately my problem clearly, I have had local help with the statistical part just trying to figure out how to correctly program this test. For clarity's sake, I have months worth of data, I want to potentially combine

[R] Hypothesis Testing using Wald Criterion for two regression models with dummy variables

2012-05-01 Thread meredith
I have two models, controlled by dummy variables to see if the models can be combined into one model with similar intercepts and slopes. Has anyone tried to conduct this type of test in R. I am utilizing the econometric idea of hypothesis testing through the hypothesis of coincidence. I have tried