Initialize Observation Time Index for Incidence Data

Aligns simulated and observed data by setting an initial time index (month_no) for observations.

Usage

initialize_observation_time(simulated_result, incidence_df)

Arguments

simulated_result

A data frame from simulation output, with a date_ymd column.

incidence_df

A data frame of observed incidence data, with a date_ymd column.

Value

The integer 0, and updates the month_no column of incidence_df in-place (used for alignment).