Description Usage Arguments Details Value Examples

This function turns an integer specifying an order of a derivative into the equivalent linear differential operator object. It is also useful for checking that an object is of the "Lfd" class.

1 | ```
int2Lfd(m=0)
``` |

`m` |
either a nonnegative integer or a linear differential operator object. |

Smoothing is achieved by penalizing the integral of the square of the
derivative of order `m`

over `rangeval`

:

m = 0 penalizes the squared difference from 0 of the function

1 = penalize the square of the slope or velocity

2 = penalize the squared acceleration

3 = penalize the squared rate of change of acceleration

4 = penalize the squared curvature of acceleration?

a linear differential operator object of the "Lfd" class that is equivalent to the integer argument.

1 2 3 4 5 6 7 8 |

fda documentation built on April 25, 2018, 3:01 a.m.

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