在写入 csv 时,有没有办法在数字数据类型的值中包含小数,甚至是整数?
f <- tempfile("d", fileext = ".csv")
write.csv(data.frame(x = as.numeric(c(1,2,3.3,4))), f, row.names = FALSE)
readLines(f)
#> [1] "\"x\"" "1" "2" "3.3" "4"
unlink(f)
上面的输出应该如下所示:
#> [1] "\"x\"" "1.0" "2.0" "3.3" "4.0"
write_csv2
的
readr
做你期望的。请记住,它使用小数点 ,
而不是 .
所以用例如读取数据read.csv2
.
library(readr)
write_csv2(data.frame(x = c(1, 2, 3.3, 4)), file = "file")
readLines("file")
[1] "x" "1,0" "2,0" "3,3" "4,0"
read.csv2("file")
x
1 1.0
2 2.0
3 3.3
4 4.0