Using clusterdata() to plot clusters using plot(). "Vectors must be the same length"

Question

Jacob Bennett 2020-10-9

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/609336-using-clusterdata-to-plot-clusters-using-plot-vectors-must-be-the-same-length

回答： Seth Furman 2020-10-18

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Hello, I am attempting to use the cluseterdata() function using this tutorial:

https://www.mathworks.com/products/demos/machine-learning/cluster-genes.html

To plot clusters for my own dataset. Here is the code i've written so far:

data=file02;
rng('default')
dates=file02.Date;
x=dates;
y=[file02.Thermal,file02.Nuclear,file02.Hydro];
clusters=clusterdata(y,'maxclust',16,'distance','correlation','linkage','average');
display(clusters);
for c = 1:16
    subplot(4,4,c);
    plot(x,y((clusters == c),:)');
    axis tight
end

The "dates" variable is a 4945x1 datetime table and the y variable is a 4945x3 double table. When i try to graph the clusters of this data, I get an error "Vectors must be the same length". I know that the length of cluster data at 'c' will be different for each iteration. But, the "x" variable will be of constant length 4095. I am curious on how to plot the clusters with the date being constant on the x axis?