bs.derivs {intccr}

Derivative of B-spline

Description

Generates the derivative of the B-splines basis matrix.

Usage

bs.derivs(
  x,
  derivs = 0,
  df = NULL,
  knots = NULL,
  degree = 3,
  intercept = FALSE,
  Boundary.knots = range(x)
)

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 bs.derivs performs derivatives of B-splines

Value

The function bs.derivs returns a component:

resmat

derivatives of B-spline

Author(s)

Jun Park, [e-mail]

Giorgos Bakoyannis, [e-mail]