Description Format Source References Examples
Includes species averages for 62 mammals.
This data frame uses spcies as row lable and contains the following columns:
Slow wave nondreaming sleep, hrs/day
Paradoxical dreaming sleep, hrs/day
Total sleep, hrs/day
Body weight in kg
Brain weight in g
Maximum life span, years
Gestation time, days
Predation index, 1=low,5=hi
Sleep exposure index 1=exposed, 5=protected
Danger index, 1=least, 5=most
Allison, T. and Cicchetti, D. (1976). Sleep in Mammals: Ecological and Constitutional Correlates Science, vol. 194, pp. 732-734.
Weisberg, S. (2005). Applied Linear Regression, 3rd edition. New York: Wiley, Section 6.2.
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Loading required package: car
SWS PS TS BodyWt BrainWt Life GP P SE D
African_elephant NA NA 3.3 6654.000 5712.0 38.6 645 3 5 3
African_giant_pouched_rat 6.3 2.0 8.3 1.000 6.6 4.5 42 3 1 3
Arctic_Fox NA NA 12.5 3.385 44.5 14.0 60 1 1 1
Arctic_ground_squirrel NA NA 16.5 0.920 5.7 NA 25 5 2 3
Asian_elephant 2.1 1.8 3.9 2547.000 4603.0 69.0 624 3 5 4
Baboon 9.1 0.7 9.8 10.550 179.5 27.0 180 4 4 4
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