Lecture 7_dwellings_Data & Solutions

Lecture 7_dwellings_Data & Solutions - 12.6275...

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Period Actual 4-Period MA %ABS Error 1 12.04 2 12.14 3 12.83 4 12.17 5 12.92 12.2955 4.82% 6 13.02 12.5153 3.86% 7 14.04 12.7340 9.32% 8 12.58 13.0363 3.64% 9 12.88 13.1395 2.04% 10 12.03 13.1293 9.11% 11 12.33 12.8830 4.52% 12 11.91 12.4538 4.56% 13 11.99 12.2868 2.49% MAPE = 4.25% 14 12.86 12.0645 6.17% 15 12.28 12.2708 0.11% 16 12.53 12.2603 2.15% 17 12.11 12.4150 2.49% 1 2 3 4 5 10.50 11.00 11.50 12.00 12.50 13.00 13.50 14.00 14.50 Data
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5 6 7 8 9 10 11 12 13 14 15 16 17 Actual 4-Period MA Period
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Period Actual Weighted MA (4) 1 12.04 2 12.14 3 12.83 4 12.17 5 12.92 12.31 6 13.02 12.62 7 14.04 12.86 8 12.58 13.41 9 12.88 13.04 10 12.03 12.97 11 12.33 12.56 12 11.91 12.35 13 11.99 12.15 14 12.86 12.02 15 12.28 12.46 16 12.53 12.34 17 12.11 12.44
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Period Actual Forecast %ABS Error 1 12.04 2 12.14 12.0390 0.86% 3 12.83 12.0598 6.03% 4 12.17 12.2146 0.40% 5 12.92 12.2049 5.52% 6 13.02 12.3475 5.15% 7 14.04 12.4816 11.12% 8 12.58 12.7939 1.71% 9 12.88 12.7509 0.98% 10 12.03 12.7761 6.18% 11 12.33
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Unformatted text preview: 12.6275 2.45% 12 11.91 12.5672 5.51% 13 11.99 12.4360 3.74% MAPE = 3.66% 14 12.86 12.3464 3.98% 15 12.28 12.4487 1.34% Smoothing Constants 16 12.53 12.4158 0.91% Alpha = 0.2 17 12.11 12.4386 2.69% 18 12.3735 19 12.3735 20 12.3735 21 12.3735 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 10.00 11.00 12.00 13.00 14.00 15.00 Period Data Actual Forecast Month Dwelling Approvals '000 Jan-2006 12.04 Feb-2006 12.14 Mar-2006 12.83 Apr-2006 12.17 May-2006 12.92 Jun-2006 13.02 Jul-2006 14.04 Aug-2006 12.58 Sep-2006 12.88 Oct-2006 12.03 Nov-2006 12.33 Dec-2006 11.91 Jan-2007 11.99 Feb-2007 12.86 Mar-2007 12.28 Apr-2007 12.53 May-2007 12.11...
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Lecture 7_dwellings_Data & Solutions - 12.6275...

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