Dataset: software1.csv

Source: M. Jorgensen, U. Indahl, D. Sjoberg (2003). "Software Effort
Estimation by Analogy and "Regression Toward the Mean"," The Journal of
Systems and Software, Vol. 68, pp. 253-262

Description: Data from 20 projects relaing Effort to project size.
Project ID (projID)
Development Environment (devEnv)  1=Cobol, 2=PowerBuilder
Project Size (sizeProj) in function points
Prject Effort (effortProj) in hours