Monthly shampoo sales over three years					Holt's Linear Exponential Smoothing
		AlphaLES	0.157181		Note: Ft is the forecast obtain at the period t-1
		BetaLES	0.400793		MSE(LES)	5664.99
t	Yt	Lt	bt	Ft	Et	Et*Et
1	266	266	0
2	145.9	247.1226	-7.56592	266	-120.1	14424.01		Note:
3	183.1	230.6828	-11.1225	239.5567	-56.4567	3187.358		Use Solver to minimize the MSE
4	119.3	203.8013	-17.4386	219.5603	-100.26	10052.12		by varying Alpha & Beta.
5	180.3	185.4098	-17.8205	186.3627	-6.06271	36.75646
6	168.5	167.7324	-17.7632	167.5892	0.910762	0.829487
7	231.8	162.8314	-12.6081	149.9692	81.83076	6696.274
8	224.5	161.8982	-7.92888	150.2234	74.27663	5517.018
9	192.8	160.0728	-5.48267	153.9693	38.83067	1507.821
10	122.9	149.609	-7.47905	154.5901	-31.6901	1004.262
11	336.5	172.6812	4.765655	142.13	194.37	37779.71
12	185.9	178.7755	5.298179	177.4468	8.453179	71.45624
13	194.3	185.6811	5.942406	184.0737	10.22632	104.5777
14	149.5	185.0025	3.28876	191.6235	-42.1235	1774.386
15	210.1	191.7191	4.662644	188.2912	21.80877	475.6224
16	273.3	208.4718	9.50825	196.3818	76.91821	5916.411
17	191.4	213.8022	7.833788	217.9801	-26.5801	706.501
18	287	231.91	11.95151	221.636	65.364	4272.452
19	226	241.054	10.8263	243.8615	-17.8615	319.032
20	303.6	260.0096	14.08448	251.8803	51.71971	2674.929
21	289.9	276.5785	15.0802	274.0941	15.8059	249.8265
22	421.6	312.0829	23.26609	291.6587	129.9413	16884.75
23	264.5	324.2129	18.80283	335.349	-70.849	5019.584
24	342.3	342.9033	18.75774	343.0158	-0.71576	0.512318
25	339.7	358.2092	17.37426	361.661	-21.961	482.2854
26	440.4	385.7713	21.45751	375.5834	64.81658	4201.189
27	315.9	392.8737	15.70408	407.2288	-91.3288	8340.955
28	439.3	413.4067	17.63948	408.5778	30.72221	943.8542
29	401.3	426.3707	15.76556	431.0462	-29.7462	884.8365
30	437.4	441.3918	15.46719	442.1362	-4.73624	22.43195
31	575.5	475.507	22.9412	456.859	118.641	14075.69
32	407.6	484.1687	17.21805	498.4483	-90.8483	8253.405
33	682	529.7756	28.59612	501.3867	180.6133	32621.16
34	475.3	545.3145	23.36286	558.3717	-83.0717	6900.914
35	581.3	570.6614	24.15805	568.6773	12.62266	159.3317
36	646.9	603.0055	27.43896	594.8194	52.08058	2712.387