f_risksets: Rsiksets

In rERR: Excess Relative Risk Models

Description

Computes the riskset for each case with the relevant variables in the formula and the stratification vars specified in strata() part of the formula. The riskset of a case inculde the subjects that are in the cohort when the case ocurs: so a subject S belongs to the riskset R of the case that have a 'fail' at time ft, if S_entry_time < ft <= S_exit_time.

Usage

f_risksets(formula, data, lag, id_name, time_name)

Arguments

formula	Surv(entry_time,exit_time,outcome)~loglin(loglin_var1,..,loglin_varn)+ lin(lin_var1,..,lin_varm)+strata(strat_var1,...strat_varp)
data	event format data set than is ouput of the functions f_to_event...
lag	latency period
id_name	name of variable containing the names of subjects
time_name	name of the time variable

Value

a named list with integer vectors containing the number of rows that are in each the riskset (relevant person-time)

Examples

 f_riskset(formula,data,lag=2,id_name='patientids',time_name='time')

rERR documentation built on May 2, 2019, 11:10 a.m.