plot_income_forecast: Income Forecast over time
In David-Statistics/djmisc: Generally Useful Functions for R & Personal Finance

Create a forward income forcast plot over time. Optionally add an exponential function connecting the first and last time points to calculate CAGR.

plot_income_forecast(
  data,
  date_field = "Date",
  forecast_field = "Forward_div",
  y = NULL,
  add_cagr = TRUE,
  n_years = 1
)

`data`	a `data.table` with a field for date and forward income
`date_field`	a character with the date field
`forecast_field`	a character with the income forecast field
`y`	year of interest (NULL defaults to current year)
`add_cagr`	if TRUE adds a smoothed income over time line and prints the CAGR from the first time period to the last in the upper left.
`n_years`	How many years to include in the plot