Thank you so much, David. Your solution exactly suits my need.
formula() seems the key.
appreciate your help!
On Sat, Mar 12, 2011 at 10:22 AM, David Winsemius
wrote:
>
> On Mar 12, 2011, at 10:10 AM, Wensui Liu wrote:
>
>> Good morning, dear listers
>>
>> I am wondering how to do string evalua
On Mar 12, 2011, at 10:10 AM, Wensui Liu wrote:
Good morning, dear listers
I am wondering how to do string evaluation such that
model <- glm(Y ~ [STRING], data = mydata) where STRING <- "x1 + x2 +
x3"
It is very doable in other language such as SAS.
Also "very doable" in R. You need to
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