在R語(yǔ)言中,可以使用scan()
函數(shù)來(lái)輸入數(shù)據(jù)。
scan()
函數(shù)的基本用法是:scan(file = "", what = double(), nmax = -1, n = -1, sep = "", dec = ".", quote = "\"'", skip = 0, na.strings = "NA", flush = FALSE, fill = FALSE, strip.white = FALSE, quiet = FALSE, blank.lines.skip = TRUE, multi.line = TRUE, comment.char = "#", allowEscapes = FALSE, encoding = "unknown")
以下是使用scan()
函數(shù)輸入數(shù)據(jù)的步驟:
scan()
函數(shù),并將輸入的數(shù)據(jù)賦值給一個(gè)變量。下面是一個(gè)示例:
# 輸入整數(shù)型數(shù)據(jù)
x <- scan()
1 2 3 4 5
# 輸出輸入的數(shù)據(jù)
print(x)
輸出:
[1] 1 2 3 4 5
在這個(gè)示例中,我們通過(guò)scan()
函數(shù)輸入了一組整數(shù)型數(shù)據(jù),并將其賦值給變量x
。然后,通過(guò)打印變量x
,我們可以看到輸入的數(shù)據(jù)。