Cut a Dataset for Analysis at a Specified Date
Arguments
- x
a time-to-event dataset, e.g., generated by
simPWSurv- cut_date
date relative to start of randomization (
ctefrom input dataset) at which dataset is to be cut off for analysis
Examples
# Use default enrollment and event rates and
# cut at calendar time 5 after start of randomization
library(dplyr)
simPWSurv(n = 20) %>% cutData(5)
#> # A tibble: 20 × 4
#> # Groups: Stratum, Treatment [2]
#> tte event Stratum Treatment
#> <dbl> <dbl> <chr> <chr>
#> 1 4.94 0 All Experimental
#> 2 4.87 0 All Control
#> 3 4.71 0 All Experimental
#> 4 4.65 0 All Control
#> 5 1.19 1 All Control
#> 6 4.38 0 All Experimental
#> 7 4.19 0 All Experimental
#> 8 4.16 0 All Control
#> 9 1.71 1 All Control
#> 10 3.85 0 All Control
#> 11 3.80 0 All Experimental
#> 12 3.75 0 All Experimental
#> 13 3.75 0 All Control
#> 14 3.72 0 All Experimental
#> 15 3.45 0 All Control
#> 16 3.39 0 All Experimental
#> 17 3.18 0 All Experimental
#> 18 2.95 0 All Control
#> 19 2.94 0 All Control
#> 20 2.08 1 All Experimental