All fixed: I scaned in the data from x.txt and y.txt then: P<-ppp(x,y,c(...),c(...), marks=m) -- View this message in context: http://r.789695.n4.nabble.com/R-shp-ESRI-point-patterns-and-marks-tp3017683p3022165.html Sent from the R help mailing list archive at Nabble.com.