Correlation and Regression

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CorrelationandRegression

• Correlation analysis measures the strength of the
  association between two (or more) variables.
• Regression studies the nature of the relationship
  between two (or more) variables.

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Measures of Correlation

• Pearsons Product-Moment Coefficient (Pearsons
  r) created in 1907 is the most common measure
  for interval or ratio variables. It is a
  parametric measure which requires bivariate
  normality.
• Spearmans Rank Correlation Coefficient is the
  most commonly used measure for ordinal (i.e.
  ranked) variables.

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Spearmans Rank CorrelationCoefficient
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Simple Linear Regression
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The Least Squares Criterion
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Multiple Linear Regression
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The Canadian Geographer Volume 53, No. 4 Winter,
2009
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