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finished with the "R introduction" on r-tutor.com

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Dan Buch
2011-07-11 04:31:40 -04:00
parent 8cb1c01c19
commit 9dfeecd729
4 changed files with 38 additions and 0 deletions
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@@ -114,3 +114,33 @@ head(mtcars)
q()
s
q()
mtcars[[[9]]
mtcars[[9]]
mtcars[["am]]
mtcars[["am"]]
mtcars$am
mtcars[1]
head(mtcars[1])
mtcars["mpg"]
mtcars[c("mpg", "hp")]
mtcars[c("mpg", "hp")][1]
mtcars[c("mpg", "hp")][[1]]
mtcars[24,]
mtcars["Camaro Z28",]
mtcars[c("Datsun 710", "Camaro Z28")]
mtcars[c("Datsun 710", "Camaro Z28",)]
mtcars[c("Datsun 710", "Camaro Z28"),]
L = mtcars$am == 0
L
mtcars[L,]
mtcars[L,]
mtcars[L,]$mpg
library(gdata)
library(foreign)
help(read.mtp)
mydata = read.table("mydata.txt")
mydata
mydata = read.csv("mydata.csv")
mydata
getwd()
q()