Message-ID: <8DC25C6D-EEFB-4E92-827E-65257AF8C492@comcast.net>
Date: 2011-12-24T17:26:09Z
From: David Winsemius
Subject: need help with a time series plotting problem
In-Reply-To: <1324736660540-4231285.post@n4.nabble.com>
On Dec 24, 2011, at 9:24 AM, vibhava wrote:
> thanks for the reply. here is subset of the data that i want to plot:
> date usgs700
> 1 10/1/2000 0.050970325
> 2 10/2/2000 0.041059428
> 3 10/3/2000 0.032564374
> 4 10/4/2000 0.02775051
> .
> .
Instead of posting print-output why not post the results of
dput(head(flow))
> > further useless output deleted.
>
> my script again is:
>
> setwd("J:/Rstuff/flow")
> flow=read.delim("flow.dat",header=TRUE,sep="\t")
> plot(flow$usgs1500
There's no column with that name.
> ~as.Date(flow$date,
> "%m/%d/%y")
For another thing, you generally need to use %Y for 4 digit years.
> ,type="l",xlab="date",ylab="daily discharge (m3/s)
> ",main="USGS1500",yaxs="i", xaxs="i",)
Not sure if that empty argument is going to be handled gracefully.
> i wish to plot all this data as a single time series but my program
> is doing
> some weird stuff and the x-axis has labels Jan-dec and the long term
> series
> is broken and plotted on yearly basis.
Your code is not reproducible.
--
David Winsemius, MD
West Hartford, CT