在 R 编程中将数字对象转换为字符- as。字符()函数

R 语言中的as.character()函数用于将数字对象转换为字符对象。

Syntax: as.character(x)

Parameters:
x: Numeric Object

示例 1：

# R program to convert a numeric object
# to character object
  
# Calling as.character() function
as.character(1)
as.character(2 + 3)
as.character(1.5)

输出：

[1] "1"
[1] "5"
[1] "1.5"

示例 2：

# R program to convert a numeric object
# to character object
  
# Creating a vector
x1 <- c(1, 2, 3, 4)
x2 <- c(-1, 2, 1.5, -3)
  
# Calling as.character() function
as.character(x1)
as.character(x2)

输出：

[1] "1" "2" "3" "4"
[1] "-1"  "2"   "1.5" "-3"