search for: ts181

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2011 Oct 17
1
contouring x y scatter data
...each location where 'O' appears, there is a calculated concentration that I would like to contour. I'd like to do the same thing at each 'X' location and then compare, visually, how close the contours are (hopefully close). Both data.frames contain columns/fields titled "ts181" and "ts1825" which contain the concentrations at time step 181 days and time step 1825 days. Is it possible to contour x-y-value data if it is not laid out on a regular grid? X<-c(0,100,200,300,400,500,600,700,800,900,1000,1100,1200,1300,1400,1500,1600,1700,1800,1900,2000,2100...