rock {MASS} | R Documentation |
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.
data(rock)
A data frame with 48 rows and 4 numeric columns.
area | area of pores space, in pixels out of 256 by 256 |
peri | perimeter in pixels |
shape | perimeter/sqrt(area) |
perm | permeability in milli-Darcies |
Data from BP Research, image analysis by Ronit Katz, U. Oxford.
Katz, R. (1995) Spatial Analysis of Pore Images. D.Phil. thesis, Department of Statistics, University of Oxford.