将月份的数字转换为月份的名称
问题描述：
我需要将包含一年中月份数的整数向量转换为月份的名称。
I need to convert this integer vector which contains the number of months in the year to month's name.
例如：
1
2
3
预期结果应为：
January
February
March
请问我该怎么做？
谢谢您的建议！
How can I do this, please? Thank you for your suggestions!
答
我们只能使用 month.name 将月份的索引更改为其相应的名称
We can just use month.name to change the index of months to its corresponding name
month.name[v1]
，月份也有3个字符的缩写。
and there is also a 3 character abbreviation for month
month.abb[v1]
data
data
set.seed(24)
v1 <- sample(1:12, 24, replace = TRUE)