[SOLVED] R 1 R

1 R

R

RRStudio
RRStudio
R

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R HYPERLINK http://www.r-project.org/ http://www.r-project.org/

CRANR

Windows

R
RStudio

Rexam1.R

>x<-1:4 #1234x>a<-10>x*a
>x+a
>sum(x)#
>max(x)#
>min(x)#
>mean(x)#
>median(x) #x
>var(x) #
>sort(x) #

R

> X<-c(35,40,40,42,37,45,43,37,44,42,41,39) > hist(X); plot(X)

R
getwd()

Dtest
1sessionset working directorychoose directory
2setwd(d:\test)/

ToolsInstall.PackagesInstall from:Repository(CRAN), Packages plyr, Install .
library()plyr
renameExamples.

ls()