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Univariable Regression

Univariable regression is also known as simple regression, when there is one dependent variable and one independent variable.

Example 1

It is sometimes said that the brain size may have influences on intelligence. Brain size may be measured by horizontal resonance images (MRI) while intelligence may be indicated by the Intelligent Quotient (IQ) score. As we are interested in determining if brain size can explain the difference of intelligence, IQ will be our dependent variable in the regression analysis of it on MRI. Note there is one independent variables and the regression analysis is univariable.

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