Identification and Evaluation of Freight Demand Factors (2012) / Chapter Skim
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4. Conclusions and Recommendations Forecasting the demand for freight transportation in our nation is crucial for many segments of our economy.
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The regression analysis models indicated very good fit, with R2values above .90 and a relatively parsimonious set of independent factors, across the various measures of freight demand. Rail car loadings have typically been a good historical indicator of industrial activity, and vice-versa as it turned out.
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From page 61... ...
regression analysis. Principal Component Analysis (PCA)
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