Udny Yule Quotes

Udny Yule Quotes: In our lust for measurement, we frequently measure that which we can rather than that which we wish to measure... and forget that there is a difference.
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Udny Yule Quote: The investigation of causal relations between economic phenomena presents many problems of peculiar difficulty, and offers many opportunities for fallacious conclusions. Since the statistician can seldom or never make experiments for himself, he has to accept the data of daily experience, and discuss as best he can the relations of a whole group of changes; he cannot, like the physicist, narrow down the issue to the effect of one variation at a time. The problems of statistics are in this sense far more complex than the problems of physics.
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