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SOAN 2120 (390)
Scott Schau (113)

Feb 1 lecture

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Sociology and Anthropology
SOAN 2120
Scott Schau

February1 2012Defining Variables and Attributes variable must have 2 qualities attributes must be exhaustive attributes must be mutually exclusiveLevels of MeasurementNominalOrdinalIntervalRatioratio at the top like a pyramidwe build on things ratio has all properties of interval interval has all properties of ordinal and so on Nominal Measures variables whose attributes have only characteristics of exhaustiveness jointly exhaustivenessmutual exclusiveness ie a variable wjust discrete categories cannot be ranked no order ie gender religious affiliation political party affiliation birth place college hair colour offer names or labels for characteristicsall can say about 2 ppl is that they are either the same or different equal to OR not equal to Example dog breed German Shepard is different than Australian Cattle Dog cannot say one is more or less dog breedy than the otherjointly exhaustive every possible observation can be classified into an attribute of the variablecategories should be sufficient so that all observations can fit into one of them mutually exclusive every observation must be classified i
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