## linear regression output as probabilities

Question

Why shouldn’t you use linear regression outputs as probabilities?

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Machine Learning
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## Answer ( 1 )

It’s tempting to use linear regression outputs as probabilities but it’s a mistake

because the output can be negative, and greater than 1 whereas probability can not. As

regression might actually produce probabilities that could be less than 0, or even bigger

than 1, logistic regression was introduced.