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Data Analysis and Statistics for Geography, Environmental Science, and Engineering
book

Data Analysis and Statistics for Geography, Environmental Science, and Engineering

by Miguel F. Acevedo
December 2012
Beginner content levelBeginner
557 pages
19h 5m
English
CRC Press
Content preview from Data Analysis and Statistics for Geography, Environmental Science, and Engineering
192 Data Analysis and Statistics for Geography, Environmental Science, and Engineering
6.1.7 reGression throuGh the oriGin
Now, you may wonder about the meaning of the intercept. As shown earlier, we can use a t value
given by Equation 6.53 to determine that the intercept is signicant. In many cases, interpreting the
value of Y when X = 0 is meaningless since we cannot extrapolate outside the range for which we
derived the regression equation. However, there are cases where it makes sense to claim that the
intercept coefcient to be zero, that is to say, for the regression line to go through the origin. Some
of these cases are those for wh
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Publisher Resources

ISBN: 9781439885017