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...olors, grouped by pollutant, the second shows one color, grouped by class. Here's where the problem comes, if I add an additional pollutant, instead defining the data set as follows: dataSet <- data.frame("Pollutant"=c(rep("Black Carbon",5),rep("PM10",5),"Ultrafines"), "Detector"=c(1:5,1:5,10),"Value"=c(seq(50,10,-10),seq(100,60,-10),75),"Class"=c(rep("Mass",10),"Count")) and rerun the same plotting script, I obtain three panels. The one labeled "Black Carbon" correctly displays all three pollut...

Here are a few sentences from a Sept. 17, 2004 article in th EETimes. http://www.eetimes.com/sys/news/showArticle.jhtml?articleID=47900195 ******************** begin excerpts ************************ Victor Company of Japan, Ltd. (JVC) will use Microdrive CompactFlash-sized cards with a 1-inch hard-disk drive in its digital video cameras. The camera will be capable of recording one hour of