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Sum function with letters

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Matrix-Matlab
Matrix-Matlab 2017-4-23
回答： Stephen23 2017-4-23
Hello,
I have a dataset of 1000x3 in which I have names and numbers. It has been imported from excel using xlsread.
The issue I have is with counting the number of observations I have with a word. I.E AIR 6 - how many times does that occur?
Im trying to use sum function and if statement, but I am not able to get anything useful.
Please, someone help me.

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Stephen23
Stephen23 2017-4-23
Where C is a cell array of strings:
nnz(strcmp(C,'AIR 6'))

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