There should be a fairly simple solution to this but it's giving me trouble. I have a DF similar to this: > df <- data.frame(name = c("george", "george", "george", ...

I have a 2-dimensional matrix that I want to find its unique rows. For example, if M=[1 2 3; 4 7 8; 1 2 3; 0 2 3] then, the output of the Base.unique command, Base.unique(M, dims=1) is the ...

We track an internal entity with java.util generated UUID. New requirement is to pass this object to a third party who requires a unique identifier with a max character limit of 11. In lieu of generat...

How do I return a list of indices corresponding to uniques in a np.array of dtype=object? Analogous to: arr = np.array(["one", "one", 2, 2]) result = np.unique(arr, return_inverse=...