survivalsvm (version 0.0.6)

makediff1: Diffmatrix

Description

The data points are asssumed to be sorted by survival time. The comparison only takes place between two consecutivee observations when the first one is not censored (delta = 1).

Usage

makediff1(Y, delta)

Value

[Diffmatrix(1)] Object of class Diffmatrix with elements:

Type	type of makediff function used to compute differences between neighbours.
Mat	matrix used to compute differences between comparable data points.

Arguments

Y

[vector(1)]
Ordered vector of survival times.

delta

[vector(1)]
Vector of status

See Also

makediff2 and makediff3

Examples

Y <- c(1,3,3.5,4,8); delta <- c(0,0,1,1,0); makediff1(Y, delta)