How do you plot with missing data?
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Suppose I have three vectors: Year=[2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010], X=[1 2 1 4 5 6 7 2 3 5 6], and Y=[1 2 3 4 5 2 3 1 2 3].
I want to plot them on the same graph where 'Year' is on the x-axis. Because the third term in 'Y' is missing data, how do I go about plotting this? Ideally, I'd like the line plot to be disjointed where data is missing.
采纳的回答
If you know where the missing element(s) belong(s), put NaN(s) there, which will give you a disjointed line:
Year = [2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010];
X = [1 2 1 4 5 6 7 2 3 5 6];
% this:
Y = [1 2 NaN 3 4 5 2 3 1 2 3];
% or this:
Y = [1 2 3 4 5 2 3 1 2 3];
Y = [Y([1 2]) NaN Y(3:end)];
plot(Year,[X;Y])
legend('X','Y')
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