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# Extracting some specific rows.
mydata = data.frame("Class" = c("A", "A", "B", "C"), "StudentId" = c(1, 2, 3, 4), "C3" = c(4, 5, 6, 7))
classAStudents = mydata[mydata$Class == "A",]
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- Jun 10 Sun 2018 17:35
Extracting specific rows of dataframe in R
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