Tabulate shortens array. Why?

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Pete Ronklis
Pete Ronklis le 9 Jan 2018
Modifié(e) : per isakson le 10 Jan 2018
I use tabulate command like this:
a = array(352360x1)
b = tabulate(a)
b = array *(19231x3)*
Why is B array shorter than A ? Thanks

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Roger Stafford
Roger Stafford le 9 Jan 2018
Modifié(e) : Walter Roberson le 9 Jan 2018
The number of rows in the output of 'tabulate' is the number of unique values in the input, so there must have been 19231 unique values among the 352360 elements of your 'a' array. Read the description of 'tabulate' at:
https://www.mathworks.com/help/stats/tabulate.html

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