CCT226H5 Study Guide - Midterm Guide: Percentile, Weighted Arithmetic Mean, Quartile
16 Dec 2015
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Document Summary
Elements: the entities on which data are collected. (also called. Variable: characteristic of interest for the elements. Observation: the set of measurements collected for a particular element; a list of all variable values for a single member of a population. Total number of data values in a complete data set = the # of elements multiplied by the # of variables. = any characteristic of an individual & varies among individuals (ex. age; Collect information or data from individuals (individuals = people/any height, etc. ) object of interest/etc) Dummy variable: a 0 1 coded variable for a specific category. It is coded as 1 for all observations in that category and 0 for all observations not in that category [ex. Sex = 0 for male, 1 for female] Binned variable: corresponds to a numerical variable that has been categorized into discrete categories (these categories are usually called.
