Look at the functions cut, findInterval, tapply, and aggregate. Sent from my iPod
On Dec 26, 2010, at 4:34 PM, "jonathan" <j...@than.biz> wrote: > > Thanks for your advice, but my data is not decimals, so I don't need to round > the values. Instead, what I need to really do is "group" the values into > larger "blocks". > > My data looks sort of like this: > > x y z > 0 0 687 > 0 1 64 > 0 2 71 > 0 3 55 > 0 4 52 > 0 5 51 > 0 6 38 > 0 7 38 > 0 8 54 > 0 9 49 > ......... > ......... > ......... > 987 988 1 > 999 998 1 > 999 999 1 > > > But what I need to do is make it so that on the graph rather than having > tiny little dots for each point (as shown in the bigplot diagram), there are > bigger points, so say 0<=x<10, 0<=y<10 is one point in the lower left, > rather than having 100 points for each x,y value. > > The same strategy should then be applied to the whole graph. > > Any ideas how to achieve this? I'm sure this is quite a common thing to do > want to with heatmaps?? > > Thanks, > > Jonathan > > -- > View this message in context: > http://r.789695.n4.nabble.com/levelplot-blocks-size-tp3089972p3164564.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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.
