The accompanying dataset provides data on the monthly usage of natural gas (in millions of cubic feet) for a certain region over two years. Implement the Holt-Winters multiplicative seasonality model with no trend to find the forecast for periods 13-26, where alphaαequals=0.50.5 and gammaγequals=0.80.8. Then find the MAD for periods 13-24.MonthPeriodGas UsageJan1242Feb2227Mar3153Apr4144May555Jun634Jul729Aug827Sep928Oct1040Nov1188Dec12203Jan13231Feb14248Mar15251Apr16139May1735Jun1832Jul1928Aug2026Sep2127Oct2238Nov2386Dec24182Use the Holt-Winters multiplicative seasonality model with no trend to find the forecast for periods 13-18, periods 19-24, and then for periods 25 and 26.(Type integers or decimals rounded to two decimal places as needed.)PeriodForecast13 14 15 16 17 18

Answered: The accompanying dataset provides data…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The accompanying dataset provides data on the monthly usage of natural gas (in millions of cubic feet) for a certain region over two years. Implement the Holt-Winters multiplicative seasonality model with no trend to find the forecast for periods 13-26, where alphaαequals=0.50.5 and gammaγequals=0.80.8. Then find the MAD for periods 13-24.

Month	Period	Gas Usage
Jan	1	242
Feb	2	227
Mar	3	153
Apr	4	144
May	5	55
Jun	6	34
Jul	7	29
Aug	8	27
Sep	9	28
Oct	10	40
Nov	11	88
Dec	12	203
Jan	13	231
Feb	14	248
Mar	15	251
Apr	16	139
May	17	35
Jun	18	32
Jul	19	28
Aug	20	26
Sep	21	27
Oct	22	38
Nov	23	86
Dec	24	182

Use the Holt-Winters multiplicative seasonality model with no trend to find the forecast for periods 13-18, periods 19-24, and then for periods 25 and 26.

(Type integers or decimals rounded to two decimal places as needed.)