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Calculates annual average rate of change (AARC or AROC) with the compounded formula: ((end_value / baseline_value))^(1/(end_year - baseline_year)) - 1

Usage

calculate_aarc(baseline_year, baseline_value, end_year, end_value)

Arguments

baseline_year

year where the AARC starts

baseline_value

value at start_year

end_year

year where the AARC ends

end_value

value at end_year

Value

numeric with AARC

Details

To forecast change the baseline value: baseline_value * ((1 + aroc)^(current_year - start_year))