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arの表紙の石原さとみが本当に可愛い

Last updated at Posted at 2013-06-06

平均と分散と標準偏差と

R
d<-read.delim("./data.raw")
head(d)
nrow(d)
mean(d$column2, na.rm=TRUE)
var(d$column2, na.rm=TRUE)
sd(d$column2, na.rm=TRUE)
sd(log10(d$column2), na.rm=TRUE)
hoge<-subset(d, d["column3"]=="hoge")
head(hoge)
nrow(hoge)
mean(hoge$column2, na.rm=TRUE)
var(hoge$column2, na.rm=TRUE)
sd(hoge$column2, na.rm=TRUE)
sd(log10(hoge$column2), na.rm=TRUE)

na.rmだるい

R
d_clean<-na.omit(d)

磨けば光るわけですから

R
system("open -a Safari http://inut.tumblr.com/post/53178264287/")
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