動作確認
RStudio 0.99.903 on Windows 7 pro
R version 3.3.1
参考 Rで学ぶデータ・プログラミング入門 by 石田基広さん
typeof()の使い方を練習してみた。
> x<-c("zun","zun","doko")
> y<-3.141592
> z<-6.022+1.023i
> typeof(x)
[1] "character"
> typeof(y)
[1] "double"
> typeof(z)
[1] "complex"
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