Run vignette("salic") from the R console for an introduction. See below for a summary of the core functions.
see cust, lic, sale for 
  information about expected license data formats
use data_check to ensure correct formatting for state
  license data
use rank_sale to condense sales to 1 row per customer-year
use make_history to produce a history table
   that facilitates flexible querying about customer trends
see history_check to run checks for the the output of
  make_history()
use label_categories & recode_agecat to
  prepare the history table
use scaleup_part to account for missing values in 
  segments such as gender, age, etc.
use  est_churn to get churn rates per year
use format_result to stack metrics into a
  dashboard data frame