Description Usage Arguments Value Author(s) Examples

Numerical derivatives and integrals of functions `bs()`

and `ns()`

at their first argument.

1 2 3 4 5 6 7 8 9 10 11 | ```
dns(x, df = NULL, knots = NULL, intercept = FALSE,
Boundary.knots = range(x), eps = 1e-03)
dbs(x, df = NULL, knots = NULL, intercept = FALSE,
Boundary.knots = range(x), eps = 1e-03)
ins(x, df = NULL, knots = NULL, intercept = FALSE,
Boundary.knots = range(x), from = 0, weight.fun = NULL, ...)
ibs(x, df = NULL, knots = NULL, intercept = FALSE,
Boundary.knots = range(x), from = 0, weight.fun = NULL, ...)
``` |

`x, df, knots, intercept, Boundary.knots` |
see the help pages of functions |

`eps` |
a numeric scalar denoting the step length for the central difference approximation, which calculates the derivative. |

`from` |
a numeric scalar denoting the lower limit of the integral. |

`weight.fun` |
a function to applied as weights. |

`...` |
extra arguments passed to |

an object of class `dns`

, `dbs`

, `ins`

or `ibs`

.

Dimitris Rizopoulos [email protected]

1 2 3 |

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