I have a dataset like this
the thing that I do is to read data in R.
setwd("~/GitHub/master/data")
library(readxl)
maindata <- read_excel("maindata.xlsx", sheet = "original")
View(maindata)
because I don't know how to handle it.
I have 3 person.
I want to build a life table in R
I want a table just like
how can I do it in R