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Commentary: The trouble with data

American Shipper Magazine

Monday, November 19, 2012

While listening to the very informative State of Freight webinar from transportation analyst FTR Associates in early November, there were some interesting statistical conundrums for senior analysts Noel Perry and Larry Gross. Gross first noted the intermodal figures from the Intermodal Association of North American (IANA) for September didn’t jive well with figures from the American Association of Railroads (AAR). “There’s murkiness in the intermodal data,” Gross said....

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