Computes the natural spline basis.
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NaturalSplineBasis(X, S, num_knots)
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Usage
NaturalSplineBasis(X, S, num_knots)
>>>>>>> e32a060aec520f495c0371cd7ee97e715754fa71
Arguments
- X
Covariate matrix.
- S
Vector with stratum id.
- num_knots
Number of knots.
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Value
Matrix containing natural spline basis.
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Value
Matrix containing natural spline basis.
>>>>>>> e32a060aec520f495c0371cd7ee97e715754fa71