Re: st: categorical by continuous interaction

[Fernando Rios Avila <f.rios.a@gmail.com>]

Hi Milena,
The problem there is that you need to tell Stata that your variable is
continuous.
For instance, your command should be:
logistic positive ib(0).categorical continuous ib(0).categorical#c.continuous
HTH
Fernando

On Mon, Nov 18, 2013 at 10:22 AM, Milena Przheska
<milena.przheska@cosmicdevelopment.com> wrote:
> Dear Statalist members,
>
> I am trying to fit a logistic regression model that involves an
> interaction between a categorical and continuous variable, but I get
> the following message:
>
> continuous: "factor variables may not contain noninteger values"
>
> The command looks something like this:
>
> logistic positive ib(0).categorical continuous ib(0).categorical#continuous
>
>
> I can't find a reason why a continuous by categorical interaction
> wouldn't work in Stata, so I would very much appreciate it if someone
> can enlighten me regarding this issue.
>
> Thank you,
> Milena
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