r:regression_diagnostics
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| r:regression_diagnostics [2018/12/16 01:07] – created hkimscil | r:regression_diagnostics [2018/12/16 01:24] (current) – hkimscil | ||
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| Line 5: | Line 5: | ||
| library(car) | library(car) | ||
| fit <- lm(mpg~disp+hp+wt+drat, | fit <- lm(mpg~disp+hp+wt+drat, | ||
| + | |||
| + | ====== Outliers ====== | ||
| + | < | ||
| + | outlierTest(fit) # Bonferonni p-value for most extreme obs | ||
| + | qqPlot(fit, main=" | ||
| + | leveragePlots(fit) # leverage plots | ||
| + | </ | ||
r/regression_diagnostics.1544890041.txt.gz · Last modified: 2018/12/16 01:07 by hkimscil