create_air_pollution_lags: Create lagged values for PM2.5 variable and average lag column.
Description
Creates new variables in a dataframe for lags and means over lag
periods.
Usage
create_air_pollution_lags(data, max_lag = 14L)
Value
Dataframe with added columns for lagged PM2.5 concentration.
Arguments
- data
Dataframe from load_air_pollution_data() containing a daily
time series of health and environmental data.
- max_lag
Integer. The maximum lag days for outdoor PM2.5. Defaults to 14.