Hi,
I failed in my first idea to solve this problem with matlab/octave, as I just
started using this tools for data manipulation, and then thought to try python
as more feature rich descriptive language and post this problem to python group
I'm subscribed already
Let's consider this simple dictionary object (scipy array):
X = array([[1, 2],
[1, 2],
[2, 2],
[3, 1],
[2, 3],
[1, 2],
[1, 2],
[2, 2],
[3, 1],
[2, 3],
[1, 2],
[1, 2],
[2, 2],
[3, 1],
[2, 3],
...,
[1, 2],
[1, 2],
[2, 2],
[3, 1],
[2, 3]]
I would like to extract repeated sequence data:
Y = array([[1, 2],
[1, 2],
[2, 2],
[3, 1],
[2, 3]]
as a result.
Arrays are consisted of 10^7 to 10^8 elements, and unique sequence consists of
maximum 10^6 elements, usually less like 10^5
Thanks for your time
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