Hi Darius
On 8 Feb 2005 at 17:43, [EMAIL PROTECTED] wrote: > I understand that I need to have a (in this case) square matrix with > all the data. But the question now is; > > - can the contourplot not interpolate the missing values > > or alternatively > > - I have fit a model to the z data (z = 100 + 0.5x + 0.5y). How can I > make from this model a "square" matrix z to make a contour plot? Will x<-1:10 y<-1:10 z <- outer(x,y,function(x,y) 100 + 0.5*x + 0.5*y) contour(x,y,z) work as you wish? Cheers Petr > > Kind regards, Darius Blaszijk > > ----- Original Message ----- > From: "Achim Zeileis" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Cc: <r-help@stat.math.ethz.ch> > Sent: Tuesday, February 08, 2005 1:51 AM > Subject: Re: [R] Contour plot > > > > On Tue, 8 Feb 2005 01:15:06 +0100 [EMAIL PROTECTED] wrote: > > > > > Hello, > > > > > > I would like to make a contourplot of the following data; > > > > > > > x <- 1:10 > > > > y <- 1:10 > > > > z <- 100:110 > > > > > > By doing >contour(x,y,z) I get the following error; > > > > > > "Error in contour.default(x, y, z) : no proper `z' matrix > > > specified" > > > > > > How do I fix this?? > > > > x and y specify a grid and thus z must provide a value for each > > combination of the x's and y's! For example: > > x <- y <- 1:10 > > contour(x, y, outer(x, y)) > > Also look at > > outer(x, y) > > and read ?contour. > > > > Z > > > > > Kind regards, Datius Blaszijk > > > > > > [[alternative HTML version deleted]] > > > > > > ______________________________________________ > > > R-help@stat.math.ethz.ch mailing list > > > https://stat.ethz.ch/mailman/listinfo/r-help > > > PLEASE do read the posting guide! > > > http://www.R-project.org/posting-guide.html > > > > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html Petr Pikal [EMAIL PROTECTED] ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html