
212 Data Analysis and Statistics for Geography, Environmental Science, and Engineering
(continued)
Residuals:
Min 1Q Median 3Q Max
-8.251 -6.997 -2.225 5.129 19.459
Coefficients:
Estimate Std. Error t value Pr(>|t|)
(Intercept) 46.561 3.269 14.24 1.39e-12 ***
Depth -16.244 1.598 -10.16 8.96e-10 ***
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Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ‘ 1
Residual standard error: 8.265 on 22 degrees of freedom
Multiple R-squared: 0.8245, Adjusted R-squared: 0.8165
F-statistic: 103.3 on 1 and 22 DF, p-value: 8.958e-10
>
Examining the summary, we see that we have a relatively high R
2
of ∼0.8; therefore, more than ¾
of the variance is explaine ...