Daniel — Sep 9, 2013, 9:50 AM
getwd()
[1] "C:/Users/Daniel/Documents/TestingPro"
n <- 22
a <- 70
b <- -0.5
x <- runif(n)
sigSq <- 0.9
y <- a + b * x + rnorm(n, sd= sqrt(sigSq))
(avgX <- mean(x))
[1] 0.4479
plot(x, y)
abline(a, b, col = "purple")
sessionInfo()
R version 3.0.1 (2013-05-16)
Platform: x86_64-w64-mingw32/x64 (64-bit)
locale:
[1] LC_COLLATE=English_United Kingdom.1252
[2] LC_CTYPE=English_United Kingdom.1252
[3] LC_MONETARY=English_United Kingdom.1252
[4] LC_NUMERIC=C
[5] LC_TIME=English_United Kingdom.1252
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] knitr_1.4.1
loaded via a namespace (and not attached):
[1] digest_0.6.3 evaluate_0.4.7 formatR_0.9 stringr_0.6.2
[5] tools_3.0.1