[R] Analogue to SPSS regression commands ENTER and REMOVE in R?

[Dimitri Liakhovitski]

Yes, David is absolutely right - that's it!

On Thu, Mar 4, 2010 at 12:21 PM, Dimitri Liakhovitski <ld7631 at gmail.com> wrote:
> Yes, I was indeed asking about stepwise procedures!
>
> On Thu, Mar 4, 2010 at 11:29 AM, David Winsemius <dwinsemius at comcast.net> wrote:
>>
>> On Mar 4, 2010, at 10:47 AM, Dimitri Liakhovitski wrote:
>>
>>> I am not sure if this question has been asked before - but is there a
>>> procedure in R (in lm or glm?) that is equivalent to ENTER and REMOVE
>>> regression commands in SPSS?
>>> Thanks a lot!
>>
>> I haven't used SPSS for 25 years (excluding a brief session where I talked
>> an inexperienced SPSS user through creating a multi-way table of mortality
>> ratios a couple of years ago) but my memory is that those operations drop or
>> add terms to a model formula and produced voluminous paper output as a
>> result. Looking at the "lm" function help page, I guessed that I might find
>> more information at the anova.lm help page and sure enough, there at the
>> bottom of the page was "drop1". My vague memory that there was a matching
>> "add1" was rewarded with confirmation when I followed the "drop1" link.
>>
>> I generally just make another call to lm().
>>
>>
>>>
>>> --
>>> Dimitri Liakhovitski
>>> Ninah.com
>>> Dimitri.Liakhovitski at ninah.com
>>>
>> --
>>
>> David Winsemius, MD
>> Heritage Laboratories
>> West Hartford, CT
>>
>>
>
>
>
> --
> Dimitri Liakhovitski
> Ninah.com
> Dimitri.Liakhovitski at ninah.com
>



-- 
Dimitri Liakhovitski
Ninah.com
Dimitri.Liakhovitski at ninah.com