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It is proposed that the orientation of elongate objects, such as bones, may be used to identify the flow direction of ancient river deposits. If true, elongate objects could be of great value when ancient bedforms such as ripples and dunes are not visible. Two sandstone quarries were investigated wherein the paleoflow direction was determined from both(More)
A Markov chain is a natural probability model for accounts receivable. For example, accounts that are " current " this month have a probability of moving next month into " current " , " delinquent " or " paid-off " states. If the transition matrix of the Markov chain were known, forecasts could be formed for future months for each state. This paper applies(More)
This project has been read by each member of the following graduate committee and by majority vote has been found to be satisfactory. As chair of the candidate's graduate committee, I have read the project of Natalie Johnson in its final form and have found that (1) its format, citations, and bibliographical style are consistent and acceptable and fulfill(More)
Editor's Note: Research is essential to the health and growth of the statistics discipline. The following article discusses some basic strategies for doing and presenting research based on the authors' experience and conversations with other statisticians. The August 2004 issue of The American Statistician will feature a discussion on the topic " How to do(More)