Listy Biometryczne – Biometrical Letters, Vol. 41 (2004), No.1, 25-35


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MULTIPLE COMPARISONS OF SLOPES OF REGRESSION LINES

Jolanta Wojnar1, Wojciech Zieliński2

1Institute of Statistics and Econometrics, University of Rzeszów, ul. Ćwiklińskiej 2, 35-601 Rzeszów,
2Department of Econometrics and Computer Sciences, Agricultural University, ul. Nowoursynowska 166, 02-787 Warszawa


The problem of comparing K simple regression lines is considered. A statistical procedure for finding groups of parallel lines is proposed.


multiple comparisons, simultaneous inference, regression analysis.