It compares simulated smoking prevalence and trends against observed data to assess the model's accuracy.
validate_smoking(remove_COPD = 1, intercept_k = NULL, jurisdiction = "canada")For Canada: validation test results (invisible). For US: data frame with smoking status rates by year.
0 or 1. whether to remove COPD-related mortality.
a number
character string specifying the jurisdiction for validation ("canada" or "us"). Default is "canada".