search for: vizualise

...expanding: convert a single multi-choice item into N binary column factors for every possible response (level) with 1/0 values representing if the answer was checked or not. Problem with this is that you lose the information that these N columns are in fact one question and it becomes very hard to vizualise this single question. - Row wise expanding: convert a single response into N rows, one for every response. Problem with this is that if the factor is part of the dataframe, also all of the other items have to be duplicated, leading to artificial results. I was wondering if there is a more natura...

Is someone working on a 3d vizualisation set of functions ? I read dream dream dream in PROJECTS about 3D GRAPHICS. When I want to visualize 3d data, I use Geomview but with a dataset greater than 50x50 that's too hard for my poor computer. I know a little R but nothing with S+, are the plan to emulate S+ or to have R functions to visualize 3d data ? -- Hervé Dréau Interne en Médecine hdreau