dbs {intccr} | R Documentation |
Derivative of B-spline
Description
Generates the derivative of the B-splines basis matrix.
Usage
dbs(
x,
derivs = 1L,
df = NULL,
knots = NULL,
degree = 3L,
intercept = FALSE,
Boundary.knots = range(x, na.rm = TRUE)
)
Arguments
x |
object of B-splines |
derivs |
a number of derivatives |
df |
degrees of freedom of B-splines |
knots |
a vector of internal knots |
degree |
degrees of B-splines |
intercept |
a logical vector |
Boundary.knots |
a vector of boundary knots |
Details
The function dbs
performs derivatives of B-splines
Value
The function dbs
returns a component:
dMat |
B-spline matrix |
Author(s)
Jun Park, jun.park@alumni.iu.edu
Giorgos Bakoyannis, gbakogia@iu.edu
[Package intccr version 3.0.4 Index]