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Het samenvatten van rassenproeven en het toepassen van vruchtbaarheidscorrecties met niet-orthogonale methoden

G. Hamming

出版	Staatsdrukkerij uitgeverijbedrijf, 1949
URL	http://books.google.com.hk/books?id=sfFRAQAAIAAJ&hl=&source=gbs_api

註釋

Correlation analysis was contrasted with regression analysis. These two models had in common that items of a universe were stochastically dependent on a functional relationship. Essential for correlation was that both correlated variables obeyed a probability distribution; for regression analysis this did not need to be true. In correlation the principal axis was a sound base for understanding relationships, while the regression line was a sound base for predictions. The contrast between understanding and prediction was discussed at large.