CASE STUDIES IN BIOMETRY: Chapter 11. Time-Series Analyses of Beaver Body Temperatures Penny S. Reynolds The file ch11a.dat contains a body temperature time series for an adult female beaver (Castor canadensis) obtained December 12-13, 1990 at Sandhill Wildlife Area, Wisconsin. Observations were made at 10 minute intervals. These observations follow a random pattern of fluctuations, typically observed during freeze-up for all beaver in this study. Variable List: Observation No. Julian day Time Body temperature (degrees C) Activity (0 = animal inside retreat; 1 = animal outside retreat)