why dendrogram is not working?
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hi, i try use ward method for clustering:
X=[-0.4326 , -1.6656 , 0.1253 , 0.2877 , -1.1465 , 1.1909]';
Y=[1.1892 , -0.0376 , 0.3273 , 0.1746 , -0.1867 , 0.7258]';
%Form a matrix by combining x and y
input=[X,Y]
%Set up a series of labels for the points between A and F
labels={'A';'B';'C';'D';'E';'F'};
p=pdist(input,'euclidean')
%Given the distances, the Ward links between the points can be calculated:
L=linkage(p,'ward')
%Finally, we produce the dendrogram plot to show the links and add the labels:
dendrogram(L,labels)
%%%%%%%%%%%%%% when run it i got this error
??? Undefined function or method 'gt' for input arguments of type 'cell'.
Error in ==> dendrogram at 169
if (m > p) && (p ~= 0)
Error in ==> ward at 11
dendrogram(L,labels)
thanks
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2012-8-9
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