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Re: st: Location of the knots when estimating a spline model
At 11:08 20/08/03 +0530, Jayesh Kumar wrote (in reply to Weijang):
-bspline- is downloadable from SSC (type -ssc desc bspline- to find out
more). However, -bspline- only allows the user to choose the knots. It does
not choose the knots for the user.
You may try "bspline".
:Does anyone know how to determine where the knots are when estimating a
:spline model? Is there any ado file that will find the location of the
There is no unique "best" way of choosing the knots. Different choices are
different for different applications. For instance, if the spline is a
function of time, then it is often best to make the knots spaced at
particular dates of each year, especially dates where a sudden change is
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