Description Usage Format Details Source References See Also
Dataset newt The Basic Practice of Statistics, 5th edition.
1 | data("newt")
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Intended electrical field strength as a multiple of the natural strength, which is Field=1. This distinguishes the 5 groups of subjects.
Measured field strength in the experimental (field applied) and control (natural) This is a check on how well the experimenters succeeded in imposing the conditions they aimed for in groups other than 1. In group 1, we see natural limb-to-limb variation.
Measured field strength in the experimental (field applied) and control (natural) This is a check on how well the experimenters succeeded in imposing the conditions they aimed for in groups other than 1. In group 1, we see natural limb-to-limb variation.
Healing rates (micrometers per hour) in the experimental limbs. This is the response variable.
Healing rates (micrometers per hour) in the control limbs. This is the response variable.
Data provided by Drina Iglesia, Purdue University. The data are part of a larger study reported in D. D. S. Iglesia, E. J. Cragoe, Jr., and J. W. Vanable, “Electric field strength and epithelization in the newt (Notophthalmus viridescens),” Journal of Experimental Zoology, 274 (1996), pp.\ 56–62. Data on healing of cuts in newts under several conditions of applied electric field. See Exercise 24.33 for a description of the experiment. Table 24.5 contains partial data. Here are the full data.
http://bcs.whfreeman.com/bps5e/content/cat_110/bps5e_large_datasets.zip
Moore, David S. 2009. The Basic Practice of Statistics. 5th edition. New York: W. H. Freeman.
Other large datasets from BPS 5th ed.: bliss
;
call
; class
;
concept
; education
;
floridavote
; foodsafety
;
income
; literacy
;
reading
; verizon
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