[R] Error in model.frame: invalid variable type

[Gabor Grothendieck]

The names of your variables are Response and Seed, not response
and seed.  The latter two are the names of your data frames.

On 6/25/06, Brian Davenhall <bdavenhall at sbcglobal.net> wrote:
> I'm getting the following error when trying to execute a glm() procedure:
>
>
>
> Error in model.frame(formula, rownames, variables, varnames, extras,
> extranames,  :
>        invalid variable type for 'response'
>
>
>
> The commands I'm using to import the *.csv files, construct the data frame,
> and run the glm procedure are below:
>
>
>
> response <- read.csv("Response.csv", header = TRUE, sep = ",")
>
> seed <- read.csv("Seed.csv", header = TRUE, sep = ",")
>
> data <- data.frame(seed, response)
>
> model <- glm(response~seed, family=binomial(link=logit), data=data)
>
>
>
> My Response.csv files look like this:
>
>
>
> Response
>
> 0
>
> 0
>
> 1
>
> ...
>
>
>
> My Seed.csv files look like this:
>
>
>
> Seed
>
> 0.25
>
> 0.65
>
> 0.47
>
> ....
>
>
>
> Thanks in advance for any help,
>
> Brian
>
>
>
>
>
>
>
>
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>
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