[R] problems in converting numeric to character

[刘瑞阳]

Hi,
I am having trouble converting numeric to characters in the format I desire. To be more specific, I have a number of numeric as follows:

x<-c(1.0,2.0,2.00,2.1)
I want to convert them to characters so that the out put would be c(“1.0”,”2.0”,”2.00”,”2.1”). 

However, I used as.character(x) and the output is:
"1"   "2"   "2"   “2.1"

The decimals are removed if the numeric ends with “.0”. Is there a way to circumvent this problem?

Thanks very much!

Sincerely,

Ruiyang Liu