topo {MASS}  R Documentation 
Spatial Topographic Data
Description
The topo
data frame has 52 rows and 3 columns, of
topographic heights within a 310 feet square.
Usage
topo
Format
This data frame contains the following columns:
x

x coordinates (units of 50 feet)
y

y coordinates (units of 50 feet)
z

heights (feet)
Source
Davis, J.C. (1973) Statistics and Data Analysis in Geology. Wiley.
References
Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.
[Package MASS version 7.360.2 Index]