| To: | S-news <s-news@lists.biostat.wustl.edu> |
|---|---|
| Subject: | Using timeSeries |
| From: | "Walter R. Paczkowski" <dataanalytics@earthlink.net> |
| Date: | Mon, 20 Dec 2004 08:13:09 -0600 |
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Good morning,I have two questions about timeSeries in S-Plus 6.2 for Windows. I created a timeSeries of the S&P 500 monthly close from 1/1950 to 11/2004. First questions: how do I add the S&P 500 monthly close number to this series when it becomes available? I tried a simple concatenate using c() but this doesn't work. Second question: how do I add a vertical line to a plot using plot.timeSeries so I can show a business cycle reference date? I tried abline(v = "1/1/1992") but this doesn't work. Adding a horizontal line using abline(h = 200) works just fine, but I need the vertical line. Thanks for any help. Walt Paczkowski |
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