Dataset:  microfabric_strength.csv

Source: E. Ali, W. Guang, A. Ibrahim (2014). "Empirical Relations Between
Compressive Strength and Microfabrics Properties Using Multivariate Regression,
Fuzzy Inference and Neural Networks: A Comparative Study," Engineering
Geology, To Appear, Available online 9/16/2014.

Description: Model used to predict uniaxial compressive strength (ucs) of rocks.
Predictor variables/labels:
Quartz Content in % (qtz)
Plagioclase Content in % (plag)
Feldspar Content in %  (k.fds)
Hornblende Content in %  (hb)
Grain Size in pixels/mm     (gs)
Grain Area in pixels/mm^2    (ga)
Shape Factor as mesure of circularity (close to 1 for circular, close to 0 if elongated) (sf)
Aspect Ratio as ratio major/minor axis lengths  (ar)