Creates a binary indicator (1/0) for interstitial component of intracavitary/interstitial (ICIS) brachytherapy based on technique data.
Examples
if (FALSE) { # \dontrun{
df <- data.frame(embrace_id = c(1, 2, 3),
fraction_1_technique_tdvh = c("0", "1", "0"),
fraction_2_technique_tdvh = c("0", "1", "1"))
add_icis(df)
} # }