bs.derivs: Derivative of B-spline

In intccr: Semiparametric Competing Risks Regression under Interval Censoring

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]

intccr documentation built on May 10, 2022, 9:05 a.m.