Measurements on 48 rock samples from a petroleum reservoir.
Usage
rock
Arguments
Format
A data frame with 48 rows and 4 numeric columns.
[,1]
area
area of pores space, in pixels
out of 256 by 256
[,2]
peri
perimeter in pixels
[,3]
shape
perimeter/sqrt(area)
Details
Twelve core samples from petroleum reservoirs were sampled by 4
cross-sections. Each core sample was measured for permeability, and
each cross-section has total area of pores, total perimeter of
pores, and shape.