Let's be evil
This foolish R user is reading the iris data set and specified the header using the logical short-cut F.
Latihan ini adalah bagian dari kursus
Defensive R Programming
Petunjuk latihan
- Before the
read.csv()code is run, redefine the variableFto be a positive numeric so that it is interpreted asTRUE.
Latihan interaktif praktis
Cobalah latihan ini dengan menyelesaikan kode contoh berikut.
# Define F to be interpreted as TRUE
F > ___
# Read in data: don't alter the line below
data_set <- read.csv("iris.csv", header = F)