Update page 'Solutions to the questions concerning R language'

2023-05-22 20:44:17 +02:00
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+***Applied Question***
+
+**i.**
+```
+library(ISLR)
+set.seed(9004)
+train = sample(dim(OJ)[1], 800)
+OJ.train = OJ[train, ]
+OJ.test = OJ[-train, ]
+```