Hi Philip:
Here is something to consider:
> #potential solution:
> sta <- paste(st,"-01",sep="")
> st1 <- as.Date(sta, format=("%Y-%m-%d"))
> print(st1)
[1] "1961-01-01" "1961-04-01" "1983-02-01"
Hope this helps!
Erin
Erin Hodgess, PhD
mailto: erinm.hodg...@gmail.com
On Sun, Aug 19, 2018 at 3:25 PM <phili...@cpanel1.stormweb.net> wrote:
> I am having trouble with what must be a very simple problem. Here is a
> reproducible example:
>
> library(lubridate)
> st <- c("1961-01","1961-04","1983-02")
> print(st)
> #[1] "1961-01" "1961-04" "1983-02"
> st1 <- as.Date(st, format=("%Y-%m"))
> print(st1)
> #[1] NA NA NA
>
> Why the heck am I getting three NAs instead of three Dates?I have
> studied the R documentation for as.Date() and it has not turned on the
> light bulb for me.
>
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