将字符转换为R中的月份和年份（日期）

Question

How do I convert a string "Apr-16" to Month April of 2016 ?

I tired as.Date(x, format ..) , that isn't helping .

What options do I have here ?

Answer 1

x <- "Apr-16"
x <- as.Date(paste0("1-",x),format="%d-%b-%y")
format(x,"%B of %Y")
[1] "April of 2016"

Answer 2

Another option is regex

sub("-", "il of 20", x)
#[1] "April of 2016"

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Or using yearmon from zoo

library(zoo)
format(as.Date(as.yearmon(x, "%b-%y")), "%B of %Y")
#[1] "April of 2016"

data

x <- "Apr-16"