Description Usage Arguments Value References

Function for computing the basis matrix for restricted cubic splines which are constant beyond the last knot

1 |

`x` |
Values to evaluate the basis functions in. |

`knots` |
Chosen knots for the spline. |

`ortho` |
Logical. If |

`R.inv` |
Matrix or vector containing the values of the R matrix from the QR decomposition of the basis matrix.
This is used for making new predictions based on the initial orthogonalization.
Therefore the default is |

`intercept` |
Logical. If |

A matrix with containing the basis functions evaluated in `x`

.

Andersson T.M.-L., et al. (2011) Estimating and modelling cure in population-based cancer
studies within the framework of flexible parametric survival models.
*BMC Medical Research Methodology*, 11:96.

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