[R] Date formats

[arun]

Hi,

Try this:
 str1<-c("01OCT1928","02OCT1928","03OCT1928","04OCT1928")
strptime(str1,"%d%b%Y")
[1] "1928-10-01" "1928-10-02" "1928-10-03" "1928-10-04"

#or you can use this:


 x<-as.Date(str1,format="%d%b%Y")
 x
[1] "1928-10-01" "1928-10-02" "1928-10-03" "1928-10-04"



A.K.




----- Original Message -----
From: Data Analytics Corp. <walt at dataanalyticscorp.com>
To: r-help at r-project.org
Cc: 
Sent: Tuesday, June 19, 2012 8:00 AM
Subject: [R] Date formats

Hi,

I imported an excel table (using read.csv) of Dow Jones monthly average closings where the first variable is a date as a character string such as "01OCT1928".  How do I convert this to a date variable so I can plot monthly average closings against date using ggplot2?

Thanks,

Walt

________________________

Walter R. Paczkowski, Ph.D.
Data Analytics Corp.
44 Hamilton Lane
Plainsboro, NJ 08536
________________________
(V) 609-936-8999
(F) 609-936-3733
walt at dataanalyticscorp.com
www.dataanalyticscorp.com

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