Scatter Plot and Contours

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Harry
Harry 2017-3-30
回答： Star Strider 2017-3-30
I would like to include contours in my scatter plot to differentiate between sets of data (2 in this case).
Does anyone know what I would have to adjust in my code to get a similar result as in the picture attached?
Thanks in advance
figure
Size = 50;
hold on
HS = scatter(F(1:10,1),F(1:10,2),'+','SizeData',Size,'MarkerEdgeColor',[0 0 1],'MarkerFaceColor',[0 0 1]);
FO = scatter(F(21:30,1),F(21:30,2),'+','SizeData',Size,'MarkerEdgeColor',[1 0.8 0.2],'MarkerFaceColor',[1 0.8 0.2]);
FT = scatter(F(31:40,1),F(31:40,2),'+','SizeData',Size,'MarkerEdgeColor',[1 0.8 0.2],'MarkerFaceColor',[1 0.8 0.2]);
FK = scatter(F(41:50,1),F(41:50,2),'+','SizeData',Size,'MarkerEdgeColor',[1 0.8 0.2],'MarkerFaceColor',[1 0.8 0.2]);
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Harry
Harry 2017-3-30
Alternatively, it would also be useful to be able to connect data points with an arrow like in this picture:
Any help is appreciated!

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回答（1 个）

Star Strider
Star Strider 2017-3-30
It would be best to classify them first and let the classification function determine the contours. See the documentation for the classify (link) function for that and plotting the results.

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