And I forgot to add, for Mike Brock, that waybill assignments do NOT determine train composition. Once the destinations for the cars have been chosen more or less randomly, then the logic of train

Malcolm, For fleet selection, the idea of adding a "weight" to the percentage of each railroad's fleet is appealing to me. This encompasses the idea of "home road", and "close affiliates". For the

I am building a wood deck for my CB&Q 52' flat and the original brass deck measures out to a 2x6 which seems small. What size planking should I be using? Thanks. Jason Sanford

Steve, This is the link to the activities of the Naperville 2008 RPM meet. -Andy Carlson Ojai CA

Richard, this is about what some of us have been saying, although not so articulately as you. It is not a statistical game to be won, but it is about believability and approximation. The data talked

Sorry to be slow in responding; I was away over the weekend. From my perspective, "conveying the impression" isn't just the best we can do, it's exactly what we're trying to do: convey the visual

Walter M. Clark writes: "What we have is the problem that always occurs when using statistics. Most people won't accept that a relatively small sample size can forecast much larger populations with

Tim Sometimes on my thumb or forefinger Aidrian

A recently received mailing from Sunshine listed room rate as $92.00. Gene Green

Except for all those times the polls are wrong, for varying reasons. As for the ORER, as previously noted, those can be way off in terms of actual cars in service, so another variable. So what you

You are missing the whole point. National polls are based on a well defined disribution of people to call, not on a random selection. Doing what is being done with the freight cars is

Well, I got thoroughly chastised and sneered at by the resident statistical intellectuals because I questioned the state of undress, then along come some other people asking cogent questions about all

Tim O'Connor writes: "True, but I didn't include MP since I don't think it was much of an interchange partner in that area -- it went south to KC, and so did the UP via the Kansas Pacific. Wabash got

modeling the data that significantly Bruce, and all, What we have is the problem that always occurs when using statistics. Most people won't accept that a relatively small sample size can forecast

Cyril Durrenberger says: "One of the main problems with all of this data analysis is that you are trying to take a very small sample size (really insignificant) and extrapolate to the whole fleet.

Tim O'Connor says: "In another post you said the PNW cutoff handled 12 trains a day. Using your 35 trains a day average, that amounts to... over 33%. Just trying to be consistent." Tim, you have to

Here's another note of discord. Photos are also biased evidence. You can’t tell which are equipped box cars. To give one example of the bias introduced, consider auto parts cars. These were

We are getting to the point...not unlike discussions about color...where we are not seeing anything new. So...we are getting to the point where the thread will need to be terminated. Obviously some

Well, that's not what my thumb thought. <g> Tony Thompson Editor, Signature Press, Berkeley, CA 2906 Forest Ave., Berkeley, CA 94705 www.signaturepress.com (510) 540-6538;

Dennis Storzek wrote: Were these diversions unlimited? PFE provided up to three of them for free, after that the shipper paid for each one. But that's perishables, and the "imperishables" may