Statistics from a writetable

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JohnDoe_User
JohnDoe_User 2016-6-13
回答： Pavithra Ashok Kumar 2016-6-15
I have a code with a for loop that depends on the number of image files in a folder. I could run the loop 4 times if I am processing 4 images or 100 times if I am processing 100 images. Then I create a table with writetable. How can I do statistics (mean and standard deviation) at the end of the write table for each column of data. For example, in column 2 the results are distances. My main issue is the number of data points to average can vary everytime I run the code. Sometimes I need to average B2:B10, it could be B2 through B20...etc.
Thanks,

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回答（1 个）

Pavithra Ashok Kumar
Hi I am assuming you are trying to use statistics(for eg. mean) for variable size arrays. Try using the "end" to denote the end of the array.
mean(T.Var1(1:end)) % T is the table and Var1 would be the array.

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