counting the duplicates

2011 11 22
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When I set
longwords={'banana';'milk';'butter';'cake';'lamb';'milk'}
no_duplicates=0;
for idup=1:length(longwords)
if ............ % so here in the cell i would like compare any string that are duplicates of each other and count them but im not sure how, can anybody tell me?Thank you.
no_duplicates=no_duplicates+1; end

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Daniel Shub
Daniel Shub 2011-11-22

0 个投票

How about:
length(longwords)-length(unique(longwords))

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Thomas
Thomas 2011-11-22

0 个投票

You could use the unique command http://www.mathworks.com/help/techdoc/ref/unique.html
longwords={'banana';'milk';'butter';'cake';'lamb';'milk'}
uniqueWords=numel(unique(longwords))
unique(longwords)
repeatedWords=numel(longwords)-numel(unique(longwords))
Hope this helps..

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