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Factors Influencing Visitor's Choices of Urban Destinations in North ...

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The conclusions presented <strong>in</strong> this section are based upon an analysis <strong>of</strong> Models 5 and 5B.(Please note that similar arguments can be made for Models 3 and 3B.)To analyze the residuals associated with 50 cities, the follow<strong>in</strong>g formula was used:Residuals = Actual – Fitted (4)If the residuals were positive, the model under-estimated the number <strong>of</strong> visits.Conversely, if residuals were negative, the model over-estimated the number <strong>of</strong> visits.The residuals for the 50 <strong>North</strong> American cities are illustrated <strong>in</strong> terms <strong>of</strong> a percentage <strong>of</strong>the total visits. While the residuals for most cities fall with<strong>in</strong> a similar range and lookrandomly distributed from one city to the next, the model overestimates visits for a group<strong>of</strong> cities plotted at the right <strong>of</strong> the figure. Interest<strong>in</strong>gly, seven out <strong>of</strong> ten Canadian citiesare part <strong>of</strong> this group.Figure 1: Residuals as a Percentage <strong>of</strong> Total Visits <strong>in</strong> Model 575%50%% <strong>of</strong> Total Visits25%0%Toronto0 10 20 30 40 50Ottawa-25%-50%-75%-100%-125%Halifax CalgaryQuebecDetroitEdmontonVictoriaFort LauderaleVancouver-150%City Rank<strong>in</strong>g (<strong>in</strong> terms <strong>of</strong> Number <strong>of</strong> Visits)1-highest and 50-lowest <strong>in</strong> terms <strong>of</strong> # <strong>of</strong> visitsW<strong>in</strong>nipeg(50, -168%)Source: Global Insight, Inc.Table 17: Residuals as a Percentage <strong>of</strong> Total Visits <strong>in</strong> Model 5City # <strong>of</strong> Visits (In Millions) Residuals, % <strong>of</strong> # <strong>of</strong> VisitsVancouver 4.29 -111.72%Quebec City 3.37 -69.26%Detroit 3.26 -72.33%Fort Lauderale 2.51 -86.09%Victoria 1.70 -75.77%Edmonton 1.69 -61.31%Calgary 1.65 -54.59%Halifax 1.32 -57.64%W<strong>in</strong>nipeg 0.95 -168.64%Source: Global Insight, Inc.28

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