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Reviews (2)

Feb 26, 2017
Drop-in Decoder for Kato N-Scale GS-4
I will have to wait a bit on the review. I purchased this item to upgrade my SP Daylight to DCC in the future.
So many projects, so few hands.

Jul 20, 2018
Zar Biostatistics
I had the pleasure of taking Dr. Zar's Biostats course while a graduate student at Northern Illinois University (DeKalb, IL USA) during the late 1970s. I have purchased each new edition and used them extensively during my career, first in cancer research and then in the In Vitro Diagnostics industry. Dr. Zar's approach to this subject was, "We assume professional statisticians' have tested each equation. My goal is to teach you how, where and when to correctly apply these tests." He does.
My only fault with this edition is the omission of the Data Tables at the end of the text. For the new student, this is a crucial failing of this printing. Since I have three previous, hardbound versions, I have the Data Tables except for any new tests presented in this version.