View source: R/calculate-exposure.r
calculate_exposure | R Documentation |
Calculates the exposure rate applied to each year provided month of policy implementation and number of years to full implementation
calculate_exposure(month, n_years, monthly_effect = (1/n_years)/12)
month |
month of year (as integer) that policy takes effect |
n_years |
number of months until full implementation in effect |
monthly_effect |
increment of exposure to apply each month; default is ((1/n_years) / 12) (constant over the period) |
A vector of percentages, indicating change in exposure by year (relative to start month)
# Calculate uniform increase in policy effect which ramps up across 10 years
# Assume policy starts in July of the first year, then continues for 10 years
starting_month <- 7
implementation_years <- 10
# Assume some policy effect (which is the target effect for simulations)
policy_effect <- 2
exposure_by_year <- calculate_exposure(starting_month, implementation_years)
# Based on exposure by year, calculate policy effect by year:
plot(policy_effect*exposure_by_year)
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