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The third round of quantitative easing,announced in September 2012,was focused on purchases of
Qualitative Variables
Variables that express qualitative attributes, and are usually described by non-numeric categories or groups.
Regression Model
A statistical approach for estimating the relationships among variables, often used for prediction and forecasting.
Dummy Variables
Variables created to assign numerical values to categorical data, often used in regression analysis to include qualitative factors as independent variables.
Qualitative Variables
Variables that categorize or describe attribute characteristics without a natural numerical order or ranking.
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