Thanks Baptiste that works but keen to know if there are other ways. I'm new to ggplot .. just wondering if there is no easy way to overlay the new data i.e vol over my Close chart?
-----Original Message----- From: baptiste auguie [mailto:baptiste.aug...@googlemail.com] Sent: 10 January 2011 18:59 To: Santosh Srinivas Cc: r-help@r-project.org Subject: Re: [R] Basic ggplot question Hi, Try this, m = melt(dat, id="Date") head(m) qplot(Date, value, data=m, colour=variable, geom="line") ggplot(m) + facet_grid(variable~., scales="free_y") + geom_path(aes(Date, value)) HTH, baptiste On 10 January 2011 14:12, Santosh Srinivas <santosh.srini...@gmail.com> wrote: > Hello R-Group, > > I am trying plotting simple time-series with ggplot2 because the output > looks better and I've heard its richer in features. > > I have the following dataset. >> dput(dat) > structure(list(Date = structure(c(14970, 14971, 14972, 14973, > 14974, 14977, 14978, 14979, 14980, 14981), class = "Date"), Close = > c(5998.1, > 5996, 6060.35, 6101.85, 6134.5, 6157.6, 6146.35, 6079.8, 6048.25, > 5904.6), vol = c(0.154535414667409, 0.151830297402932, 0.140309395040681, > 0.136253183394409, 0.137108091041075, 0.137109537791588, 0.137664093371524, > 0.141313700592413, 0.123866294210121, 0.139356235990631)), .Names = > c("Date", > "Close", "vol"), row.names = c("4905", "4906", "4907", "4908", > "4909", "4910", "4911", "4912", "4913", "4914"), class = "data.frame") > > I can get one plot using: > qplot(Date, Close, data=dat,geom="line") > > How can I plot both Close and vol on the same chart? > > Been breaking my head on this ... thanks for your help in advance. > > Regards, > S > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
