COMM 291 Lecture 2: COMM 291 201 - Lecture 2 - Variables and Data Types
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Document Summary
Variable puts cases or data into categories . variables columns in spreadsheet. Variable has values measured in numbers we can do maths with such. Records rows in spreadsheet as height , age , length , quantities of things . Counts are o o o o o identifies has values. Identifier people , osanuary is only used in naming . Subject humans we experiment ie measuring person "s variable measured over variables measured at. Experimental subjects we uniquely . of variables . Unordered . experiment be put regular words . ie observation. Cross - sectional series is same ie student drink sizes of numbers job ranks , units non time intervals variable letters or postal codes can into values. Several point height in cm every year . Just because they "re numbers doesn"t mean they"re quantitative such as credit card numbers. Clue : doing maths with it makes sense .
