r - 有没有办法缩短一系列colClasses

目前，我正在读取这样的数据文件:

setwd("N:/HH Scallop Growth Project/Ring data by cruise/")

growth <- read.csv("Growth.csv",sep=",",header=TRUE,
                    colClasses=c("character","character","character","numeric",
                                 "character","numeric","numeric","numeric",
                                 "numeric","numeric","numeric","numeric",
                                 "numeric","numeric","character","numeric",
                                 "character","numeric","numeric","numeric",
                                 "numeric","character","numeric","numeric",
                                 "numeric"))

它可以正常工作，但有点长/s，是否可以缩短/分组colClasses？

最佳答案

尝试创建一个25个向量，其所有条目均为"numeric"，然后仅用"character"替换一些不包含在内的矢量。另请注意，header=TRUE和sep=","是read.csv的默认设置，因此可以省略。

colClasses <- replace(rep("numeric", 25), c(1:3, 5, 15, 17, 22), "character")
growth <- read.csv("Growth.csv", colClasses = colClasses)

关于r - 有没有办法缩短一系列colClasses，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/23936965/