zsumm.by: Thong ke tom tat cho 1 bien dinh luong duoc phan tang theo...
In gvdovandzung/thongke: What the package does (short line)

Thong ke tom tat cho 1 bien dinh luong duoc phan tang theo bien phan nhom

1	zsumm.by(data1, var = "", by = "")

`data1`	Dataset co bien dinh luong va dinh tinh
`var`	Bien dinh luong can thuc hien thong ke mo ta
`by`	Bien phan nhom de phan tang

Do Van Dung <dovandzung@gmail.com>

Xem them summ

data(miso)
str(miso) 
zsumm(miso[,c("tuoi","hemoglobin","kcsinh")])
zsumm.by(data=miso, var="hemoglobin",by="nhanhct")

gvdovandzung/thongke documentation built on May 23, 2020, 12:35 a.m.

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