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I am stuck at the following problem. I have two moving averages. One is faster than another. After plotting them I need to shade area between them in green when the faster is above slower and red where faster is below slower. Something like this: http://charts.stocktwits.com/production/original_9205513.png?1345576091 I tried with polygon but I can't do it. Any hints? Regards olo -- View this message in context: http://r.789695.n4.nabble.com/Moving-averages-shading-two-colours-polygon-tp4679460.html Sent from the R help mailing list archive at Nabble.com.