getPY {SEERaBomb} | R Documentation |
Get tsd interval PY
Description
Gets person year (PY) contributions to a particular time since diagnosis (tsd) interval from survival times.
Usage
getPY(surv, bin, binS, brks)
Arguments
surv |
The total survival time of the patient. |
bin |
The label of the specific bin of interest. |
binS |
The character vector of bin labels in which binLab exists. |
brks |
The numeric vector of break points used by cut to create binS. |
Value
A vector as long as the survival vector input of PY at risk in a particular interval.
Author(s)
Tom Radivoyevitch (radivot@ccf.org)
See Also
Examples
library(SEERaBomb)
brks=c(0,0.25,1,3,6)
(binS=levels(cut(brks+0.1,breaks=c(brks,100)))) #make a vector of intervals
survTimes=c(8,16,1.5,3.7)
getPY(survTimes,binS[1],binS,brks)# all contribute 0.25 to first interval
getPY(survTimes,binS[4],binS,brks)# 3rd and 4th survivals contribute 0 and 0.7 to (3,6]
getPY(survTimes,binS[5],binS,brks)# 1st and 2nd survival contribute 2 and 10 years to (6,100]
[Package SEERaBomb version 2019.2 Index]