[R] help with programming

David Winsemius dwinsemius at comcast.net
Mon Nov 7 13:39:02 CET 2011


On Nov 7, 2011, at 6:30 AM, Jing Tian wrote:

>>
>>>
> Dear moderators,
>
> Please help me encode the program instructed by follows.
> Thank u!
>
> Apply the methods introduced in Sections 4.2.1 and 4.2.2, say the
>> rank-based variable selection and BIC criterions, to the Boston  
>> housing
>> data.
>>
>  The Boston housing data contains 506 observations, and is publicly
> available in the R package mlbench (dataset “BostonHousing”).
>  The response variable Y is the median value of owner-occupied  
> homes
> (MEDV) in each of the 506 census tracts in the Boston Standard  
> Metropolitan
> Statistical Areas, and there are thirteen predictor variables.
>  We are interested in the relationship between MEDV and the other
> predictor variables.
>
>>  Setup your parametric model and use rank-based regression  
>> methodology to
>> select and estimate the parameters.

Please read the Posting Guide and then use a search facility on your  
browser to search out what it says about homework.

> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html



>>
>
>
> Best regards,
> J.Tian
>
> 	[[alternative HTML version deleted]]
>
> ______________________________________________
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>
> and provide commented, minimal, self-contained, reproducible code.

David Winsemius, MD
West Hartford, CT



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