ECON2206 summary,

ECON2206 summary, - There are dummy variables in the...

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There are dummy variables in the equation Ceterius Paribus is a very important consideration for policy analysis to determine causal relationships sample : specify the range of sample observations to use read : read in data and put the data columns into variables stat : produce descriptive statistics genr: generate new variables gen1: generate a scalar ols: estimate regression model set nowarnskip: not produce warnings when skip observations skipif( condition ): skip the observations that satisfy the condition delete skip\$: cancel “skipif” and return to full sample print: print out variables or scalars stop: tell SHAZAM to stop. Large standard errors- multicollinearity (high correlation among some of the independent variables) Cross-sectional data When a variable is measured in dollars (wages, prices, sales, market values, etc), log may be appropriate . R-squared and regressorselectionR-squared is the proportion of variation in y that is explained by x ’s, a measure of goodness-of-fit.It is attempting to compare models

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This note was uploaded on 03/25/2012 for the course ECON 2206 taught by Professor Yang during the Three '11 term at University of New South Wales.

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ECON2206 summary, - There are dummy variables in the...

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