dataPrep: Function for data preparation

In vitality: Fitting Routines for the Vitality Family of Mortality Models

Description

Function to deal with NAs, right truncated data, and datatype (i.e. cumulative survival or incremental mortality).

Usage

  dataPrep(time, sdata, datatype, rc.data,
    returnMatrix = FALSE)

Arguments

time	A vector of observation dates
sdata	A vector of survival data of the same length as time
datatype	either "CUM" for cumulative or "INC" for incremental
rc.data	Boolean. Is data right-censored?
returnMatrix	Boolean. False returns a data frame, true returns a matrix. (as in the original), if "matrix" returns a matrix instead, with the "rc.data" column being 0 for FALSE, 1 for TRUE, or 2 for TF

Details

This function is designed for use in the primary vitality model fitting functions in this package. See package documentation.

Value

Returns a data.frame or matrix with columns time, sfract, x1, x2, Ni (incremental survival fraction), rc.data.

vitality documentation built on May 2, 2019, 9:07 a.m.