[R] Linear Model Prediction
R. Michael Weylandt <michael.weylandt@gmail.com>
michael.weylandt at gmail.com
Tue Jul 24 20:55:17 CEST 2012
On Jul 24, 2012, at 1:38 PM, cm <bunnylover23 at optonline.net> wrote:
> How do I set it up? Because when I do predict(model) I get a ton of points, not just one.
You need to supply newdata= . predict() without new data gives predicted values for the predictors you for the model to.
Incidentally, repeating Uwe -- are you sure you want x~y ?
Michael
>
> ----- Original Message -----
> From: "Uwe Ligges-3 [via R]"
> Date: Tuesday, July 24, 2012 2:28 pm
> Subject: Re: Linear Model Prediction
> To: cm
>
>>
>>
>>
>>
>> On 24.07.2012 20:20, cm wrote:
>>> I have data X and Y, and I want to predict what the very next
>> point would be
>>> based off the model. This is what I have:
>>>> model=lm(x~y)
>>
>>
>> Hmmm, are you sure about the above code?
>>
>>> I think I want to use the predict function, but I'm not
>> exactly sure what to
>>> do.
>>
>> Yes, use predict().
>>
>> Is this homework?
>>
>>
>> Uwe Ligges
>>
>>
>>>
>>> Thank you!
>>>
>>>
>>>
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