Description Usage Arguments Value
Ham so nay se lay gia chung khoan tu ngay bat dau den ngay ket thuc
1 | getSymbols(symbol, from, to)
|
symbol |
Ma chung khoan, gom 3 ki tu |
from |
ngay bat dau dinh dang yyyy-mm-dd |
to |
ngay ket thuc dinh dang yyyy-mm-dd |
mot data frame chua gia chung khoan va khoi luong
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