Hi, I'm working with timeseries data. The values are every 5 seconds and each
series can last up to 4-5 days.
To generate the x-axis labels, I'm doing the following:
=========================
# Variable for displaying hours on the x-axis
rtime <<- as.POSIXct(round(range(timedata), "hours"))
# Variable for displaying days on the x-axis
stime <<- as.POSIXct(round(range(timedata), "days"))
# Plot the hours on the x-axis
axis.POSIXct(1, at=seq(rtime[1], rtime[2], by="hour"), format="%H",
cex.axis=.6, lwd=0, lwd.ticks=1, hadj=0.2, las=2, tck=-0.02)
# Plot the days on the x-axis
axis.POSIXct(1, at=seq(stime[1], stime[2], by="day"), format="%A", cex.axis=.7,
line=1, lty=0, padj=-1.4)
=========================
The data generated and the plots look fine. R issues a warning on the round()
function when rtime is set, though. It looks like this:
> round(range(cgmtime), "hours")
[1] "2003-11-04 14:00:00 EST" "2003-11-07 11:00:00 EST"
Warning message:
In if (isdst == -1) { :
the condition has length > 1 and only the first element will be used
>
Am I approaching this incorrectly? Is there another way to achieve the same
result without the warning? Or is there a way I can suppress the warning?
Thanks in advance,
Clay
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