Re: Freight Car Distribution on smaller RRs
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armprem
While the Nelson-Gilbert study is a valuable tool it does not apply in every instance.Regional carriers will get more traffic from railroads that either directly connect or are in close proximity.After carefully studying wheel reports for several years I must conclude that what I possess is a better indicator of what ran on the roads that I model.Company annual reports also support my findings.Armand Premo
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From: "Anthony Thompson" <thompson@...> To: <STMFC@...> Sent: Wednesday, February 04, 2009 1:04 AM Subject: Re: [STMFC] Freight Car Distribution on smaller RRs Al Kresse wrote: Aren't you kind of naturally biased towards who you are connect with?Al, it's not how you are "biased," but how box car supply works. The Nelson-Gilbert theory provides a convincing if not fine-grained description of it. And it's not about "bias." Tony Thompson Editor, Signature Press, Berkeley, CA 2906 Forest Ave., Berkeley, CA 94705 www.signaturepress.com (510) 540-6538; fax, (510) 540-1937; e-mail, thompson@... Publishers of books on railroad history ------------------------------------ Yahoo! Groups Links -- No virus found in this incoming message. Checked by AVG. Version: 7.5.552 / Virus Database: 270.10.16/1930 - Release Date: 2/2/2009 7:51 AM
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