library(tern)library(dplyr)library(scda)library(scda.2022)adsl <-synthetic_cdisc_dataset("latest", "adsl")adae <-synthetic_cdisc_dataset("latest", "adae")# Ensure character variables are converted to factors and empty strings and NAs are explicit missing levels.adsl <-df_explicit_na(adsl)adae <-df_explicit_na(adae) %>%var_relabel(AEBODSYS ="MedDRA System Organ Class",AEDECOD ="MedDRA Preferred Term" ) %>%filter(ANL01FL =="Y")
For illustrative purposes, we will create a new factor variable in ADAE, ASEV, with all intensity levels including "LIFE THREATENING".
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