[R] (no subject)

Gabor Grothendieck ggrothendieck at gmail.com
Wed Sep 3 21:16:30 CEST 2008


The zoo package can represent and plot irregular time series.
There are three vignettes that describe it plus the help pages.
See ?zoo
?plot.zoo
?xyplot.zoo

e.g.

library(zoo)
z <- zoo(1:3, Sys.Date() + c(1, 2, 5))
plot(z)
library(lattice)
xyplot(z)



On Wed, Sep 3, 2008 at 3:00 PM, Dr Eberhard W Lisse <el at lisse.na> wrote:
> Hi,
>
> I am getting accumulated data from PostgreSQL, ie for every day in
> which a condition is true I get the number (count) of cases. Starting
> date is 2008-01-01 and end day the last day for which the condition
> is true (which is not necessarily today).
>
> I obviously do not get records (dates) with count = 0, in other words
> this is not a complete list of every day since 2008-01-01.
>
> Now I want I plot this, with the sum on the Y axis and the months
> on the X axis, preferably as a line drawing.
>
> Any ideas?
>
> el
> --
> Dr. Eberhard W. Lisse  \        / Obstetrician & Gynaecologist (Saar)
> el at lisse.NA el108-ARIN /   *   |   Telephone: +264 81 124 6733 (cell)
> PO Box 8421             \     / Please send DNS/NA-NiC related e-mail
> Bachbrecht, Namibia     ;____/             to dns-admin at na-nic.com.na
>
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>



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