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Difference between revisions of "Logistic regression"
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→Special types of LR
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'''Logistic regression''', abbreviated '''LR''', is a type of curve fitting. It used for categorical dependent (outcome) variables. Examples of categorical dependent variables are: (1) pass/fail, (2) dead/alive. | '''Logistic regression''', abbreviated '''LR''', is a type of curve fitting. It used for categorical dependent (outcome) variables. Examples of categorical dependent variables are: (1) pass/fail, (2) dead/alive. | ||
== | ==Types of logistic regression== | ||
===Multinomial LR=== | ===Multinomial LR=== | ||
If the dependent variable is categorical and the categories are mutually exclusive (e.g. ''benign'', ''suspicious'', ''malignant'', ''insufficient''), ''multinomial logistic regression'' is used. | If the dependent variable is categorical and the categories are mutually exclusive (e.g. ''benign'', ''suspicious'', ''malignant'', ''insufficient''), ''multinomial logistic regression'' is used. | ||