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Final

Week 2 Study Notes

4 Pages
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Department
Geography
Course Code
GGR270H1
Professor
Damian Dupuy

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GGR 270 Lecture 2 September 22, 2010
Variables and Data
Variable
oCharacteristic of the population that changes or varies over time
oExamples include temperature, income, education, etc...
oObserve and measure variables
oTwo key categories
Quantitative (numerical)
Discrete or continuous
Qualitative (non-numerical)
Male/female, species
Data
oResults from measuring variables set of measurements
oDifferent categories: Univariate, Bivariate, Multivariate
Variables Scales of Measurement I
Scale defines amount of information a variable contains and what statistical
techniques can be used
Four scales:
Nominal
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Description
GGR 270 Lecture 2 September 22, 2010 Variables and Data Variable o Characteristic of the population that changes or varies over time o Examples include temperature, income, education, etc... o Observe and measure variables o Two key categories Quantitative (numerical) Discrete or continuous Qualitative (non-numerical) Malefemale, species Data o Results from measuring variables set of measurements o Different categories: Univariate, Bivariate, Multivariate Variables Scales of Measurement I Scale defines amount of information a variable conta ainswhat statistical techniques can be used Four scales: Nominal www.notesolution.com
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