add censoring indicator to data vignette

vignettes/data.Rmd

@@ -18,12 +18,18 @@ knitr::opts_chunk$set(
 
 The model requires a data table containing the following columns:
 
-pid: a unique numeric id to identify a person across observations
-date: the date of the observation
-last_exp_date: the last date on which the person was exposed
-titre_type: the name of the titre
-value: the value of the tire
-censored: whether this observation should be censored
+### pid
+A unique numeric id to identify a person across observations
+### date
+The date of the observation
+### last_exp_date
+The last date on which the person was exposed
+### titre_type
+The name of the titre
+### value
+The value of the titre
+### censored
+Whether this observation should be censored: -2 for lower, -1 for me, 1 for upper, 0 for none
 
 It can also contain further columns for any covariates to be included in the model. The data files installed with this package have additional columns infection_history, last_vax_type, and exp_num.