David Kaplan wrote:
> Here is what I'm doing
>
> birthweight <- read.table("c:/bw.dat", header = T)
>> summary(glm(low~age,binomial))
> Error in eval(expr, envir, enclos) : object "low" not found
>>
Try this:
birthweight <- read.table("c:/bw.dat", header = TRUE)
summary(glm(low ~ age, family=binomial, data=birthweight))
> Thanks all!
>
>
> ----- Original Message ----- From: "Chuck Cleland" <[EMAIL PROTECTED]>
> To: "David Kaplan" <[EMAIL PROTECTED]>
> Cc: <[email protected]>
> Sent: Thursday, May 11, 2006 1:53 PM
> Subject: Re: [R] Newbie question about read.table
>
>
>> David Kaplan wrote:
>>> Hi
>>>
>>> When I use the read.table function with header = T, I notice that it
>>> gives me the variable names along the top as I expect. But, when I
>>> then attempt an analysis, e.g. regression, it doesn't recognize the
>>> variable names. Am I missing a step. Thank you
>>>
>>> David
>>
>> Are you assigning the result of read.table() to a data frame. And
>> then do you refer to that data frame in your call to lm()? If that
>> does not solve the problem, you may want to show us the code you are
>> using.
>>
>> Chuck
>>
>>> [[alternative HTML version deleted]]
>>>
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>>
>> --
>> Chuck Cleland, Ph.D.
>> NDRI, Inc.
>> 71 West 23rd Street, 8th floor
>> New York, NY 10010
>> tel: (212) 845-4495 (Tu, Th)
>> tel: (732) 512-0171 (M, W, F)
>> fax: (917) 438-0894
>>
>
>
--
Chuck Cleland, Ph.D.
NDRI, Inc.
71 West 23rd Street, 8th floor
New York, NY 10010
tel: (212) 845-4495 (Tu, Th)
tel: (732) 512-0171 (M, W, F)
fax: (917) 438-0894
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