ENTROPY

By NATALIA GOLONKA (Predictive Solutions) Entropy is a measure of disorder or uncertainty in a probability distribution.The concept was first introduced in 1854 by the physicist Rudolf Clausius, dealing with thermodynamic issues, and in this sense the definition of...
STATISTICAL INFERENCE

STATISTICAL INFERENCE

By NATALIA GOLONKA (Predictive Solutions) Statistical inference is the branch of statistics through which it becomes possible to describe, analyse and make inferences about the whole population on the basis of a sample. Studying the entire population can be a very...
LEVELS OF MEASUREMENT

LEVELS OF MEASUREMENT

By NATALIA GOLONKA (Predictive Solutions) The level of measurement is one of the most important properties of variables. It determines which statistical tests will be available to the researcher during the course of the analysis. But what information does it convey to...

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