Created
November 18, 2010 19:59
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| x <- c(1,2,3,4,5,15) | |
| y <- c(3.1,5.9,9.3,11.8,15.1,1) | |
| plot(x,y) | |
| res <- lm(y~x) | |
| summary(res) | |
| abline(res) | |
| res1 <- lm(y~x,subset=c(-6)) | |
| summary(res1) | |
| yhat.6.6 <- predict(res1,data.frame(x=15)) | |
| y[6]-yhat.6.6 | |
| hatvalues(res) | |
| sum(hatvalues(res)) | |
| res$res[6] | |
| res$res[6]/(1-hatvalues(res)[6]) | |
| plot(hatvalues(res)) |
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