Hello, Ralf, Sorry I was being clear. I mean probability density function like normal f(x)=(1/2*pi*sd )*exp(xxxx) something like that . Sorry about the confusion
Carrie On Thu, Jun 24, 2010 at 10:43 PM, Ralf B <ralf.bie...@gmail.com> wrote: > Hi Carrie, > > the output is defined by you; density() only creates the function > which you need to plot using the plot() function. When you call > plot(density(x)) you get the output on the screen. You need to use > pdf() if you want to create a pdf file, png() for creating a png file > or postscript if you like ps; there are many others. > > Ralf > > On Thu, Jun 24, 2010 at 10:35 PM, Carrie Li <carrieands...@gmail.com> > wrote: > > Hi everyone, > > > > I am confused regarding the function "density". > > suppose that there is a sample x of 100 data points, and plot(density(x)) > > gives it's pdf ? > > or it's more like histogram only ? > > > > thanks for any answering > > > > Carrie > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > 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. > > > [[alternative HTML version deleted]] ______________________________________________ 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.
