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data_frame
2012 Sep 25
2
Strange data frame behavior
Hello all,
I don't understand a strange behavior in data frame manipulation.
data_frame1 = data.frame(Site = c("S1", "S2", "S3", "S4", "L1", "L2",
"L3", "L4"),
Number = c(1, 3, 5, 2, 1, 1, 2, 1))
data_frame2 = data_frame1 [data_frame1$Site != "S1", ]
dput (data_frame2)
structure(list(...