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Linear Model final formula

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Ram Tal
Ram Tal 2014-6-25
编辑： Roger Wohlwend 2014-6-25
Hi all,
I run the fitlm function and got the following results-
mdl =
Linear regression model: y ~ 1 + x1
Estimated Coefficients:
Estimate SE tStat pValue
(Intercept) 13.02 1.7945 7.2555 5.2096e-11
x1 -0.023421 0.016472 -1.4219 0.15779
How from here do I implement the formula y = β0 + ∑ βiXi + εi
THANKS!

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回答（1 个）

Roger Wohlwend
Roger Wohlwend 2014-6-25
In your example above x1 was a column vector. All you have to do is call the function with a matrix x that contains all the x variables.
  2 个评论
Ram Tal
Ram Tal 2014-6-25
yeah, I got it, but what I wanted to know is how the model look like.
for example-
Y= -0.023421*X1+13.02 . I think this is how it should be according to the results, but i'm not 100% sure.
thanks.
Roger Wohlwend
Roger Wohlwend 2014-6-25
编辑：Roger Wohlwend 2014-6-25
I'm sorry but I don't understand at all what your question is. Could you please elaborate?

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