On 24/03/2008 5:23 AM, zhijie zhang wrote:
Dear Rusers,
I am now using R and SAS to fit the piecewise linear functions, and what
surprised me is that they have a great differrent result. See below.
You're using different bases. Compare the predictions, not the
coefficients.
To see the
Dear Murdoch,
Compare the predictions, not the coefficients., this is the key point.
I have checked their predicted probability and their results are the
same.
What do you mean by You're using different bases? Could you please give
me a little more info on it, so that i can go to find
On 24/03/2008 7:06 AM, zhijie zhang wrote:
Dear Murdoch,
Compare the predictions, not the coefficients., this is the key point.
I have checked their predicted probability and their results are the
same.
What do you mean by You're using different bases? Could you please give
me a
On 3/24/2008 9:03 AM, zhijie zhang wrote:
Dear Murdoch,
Thanks very much for your rapid response. It helps me greatly.
If i want to write the model formula according to the estimets from
R, Is it correct for the below formula? I'm not very sure about it, and
i also hope that you can
On Mon, Mar 24, 2008 at 01:09:35PM -0500, Paul Johnson wrote:
On Mon, Mar 24, 2008 at 8:11 AM, Duncan Murdoch [EMAIL PROTECTED] wrote:
On 3/24/2008 9:03 AM, zhijie zhang wrote:
Dear Murdoch,
Thanks very
I would use predict() instead. What you have there doesn't look as
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