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Color map plotting with weightage

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Manish Kumar
Manish Kumar 2019-5-8
回答： KSSV 2019-5-8
Dear Experts,
I want to plot (x,y) with the circles associated with the weightage of y depends on the third column of excel sheet. The plot should look like the attached image. Color map will be appreciated.Screenshot (42).png

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KSSV
KSSV 2019-5-8
Read about scatter
[num,txt,raw] = xlsread('Book1.xlsx') ;
x = num(:,1) ;
y = num(:,2) ;
w = num(:,3) ;
plot(x,y)
hold on
% remove the nans
idx = isnan(x) ;
x(idx) = [] ; y(idx) = [] ; w(idx) = [] ;
scatter(x,y,w+20,w,'filled') % 20 is added to 20, it can be changed

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