urine {boot} | R Documentation |
The urine
data frame has 79 rows and 7 columns.
79 urine specimens were analyzed in an effort to determine if certain physical characteristics of the urine might be related to the formation of calcium oxalate crystals.
urine
This data frame contains the following columns:
r
gravity
ph
osmo
cond
urea
calc
The data were obtained from
Andrews, D.F. and Herzberg, A.M. (1985) Data: A Collection of Problems from Many Fields for the Student and Research Worker. Springer-Verlag.
Davison, A.C. and Hinkley, D.V. (1997) Bootstrap Methods and Their Application. Cambridge University Press.