Try this modification:
as.yearmon(paste(res[,1], res[,2], sep="-"),format="%Y-%m")Andy
--- On Wed, 9/10/08, Megh Dal <[EMAIL PROTECTED]> wrote:
From: Megh Dal <[EMAIL PROTECTED]>
Subject: [R] Woring message in as.yearmon()
To: [EMAIL PROTECTED]
Date: Wednesday, September 10, 2008, 2:15 PM
I have following dataset:
> res
[,1] [,2] [,3]
[1,] 1946 4 1.27
[2,] 1946 5 1.27
[3,] 1946 6 1.27
[4,] 1946 7 1.27
[5,] 1946 8 1.52
[6,] 1946 9 1.52
[7,] 1946 10 1.52
[8,] 1946 11 1.52
[9,] 1946 12 1.62
[10,] 1947 1 1.62
[11,] 1947 2 1.62
[12,] 1947 3 1.62
[13,] 1947 4 1.87
[14,] 1947 5 1.87
[15,] 1947 6 1.87
Now I write following code :
> as.yearmon(paste(res[,1], res[,2], sep="-"))
[1] "Apr 1946" "May 1946" "Jun 1946" "Jul
1946" "Aug 1946" "Sep 1946" "Oct 1946"
"Nov 1946" "Dec 1946"
[10] "Jan 1947" "Feb 1947" "Mar 1947" "Apr
1947" "May 1947" "Jun 1947"
Warning message:
In if (nch == 1) "%Y-%m" else "%Y-%m-%d" :
the condition has length > 1 and only the first element will be used
Can anyone please tell me why this warning message is coming and what is the
remedy?
Regards,
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and provide commented, minimal, self-contained, reproducible code.
