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Results tagged with splines
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user 40311
Splines are flexible functions, knit together from polynomial parts, used for approximation or smoothing. This tag is for any kind of spline (eg, B-splines, regression splines, thin-plate splines, etc).
1
vote
How to draw B-spline plots via the PROC GLIMMIX procedure in SAS?
I do the plots by using the estimate statement. That is, make some contrasts at different values of t and save the output as a table. Then it is just to plot the estimated value versus t. But maybe th …
- 31
1
vote
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answers
380
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unique spline for different groups in a linear model (and no spline at all for one group)
I have a problem that has puzzled me for a long time. It involves linear models and spline functions. I need to model "time since diagnosis" when some individuals never had a diagnosis. I use Poisson …
- 31