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categorical
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Describing the qualitative categories of a characteristic, for example different religions
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dichotomous
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Can only assume two mutually exclusive, but internally homogeneous qualitative categories
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dummy variable
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Dummy variables are dichotomous, categorical variables which indicate the presence or the absence of a characteristic.
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logarithm
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Logarithm is defined as the exponent or power to which a base must be raised to yield a given number. Expressed mathematically, \(x\) is the logarithm of \(n\) to the base \(b\) if \(b^x = n\), in which case \(x = log_b n\)
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reference category
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The category of a dummy variable in respect to which the effect on the value of the dependent variable is displayed
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