connecting lines between adjacent scatter plots
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I have four columns of data (X1, X2, Y1, Y2) each with the same number of rows (30). I want to create two scatter plots on the same graph (X1 vs Y1, blue) and (X2 vs Y2, red). Then I want a line that connects connects each blue data point to the red data point that shares the same row... so 30 lines total, each connecting 2 datapoints. How to do this? Does it require a loop?
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Accepted Answer
Voss
on 27 May 2022
"Does it require a loop?"
No.
"How to do this?"
% Your data
X1 = rand(30,1);
X2 = rand(30,1);
Y1 = rand(30,1);
Y2 = rand(30,1);
% Your existing scatter plots
scatter(X1,Y1,'b')
hold on
scatter(X2,Y2,'r')
% plotting new lines. NaNs break up the segments
N = numel(X1);
xdata = [X1 X2 NaN(N,1)].';
ydata = [Y1 Y2 NaN(N,1)].';
plot(xdata(:),ydata(:),'g')
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