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@klochner
Created February 20, 2010 09:30
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#try this data set:
ARR = [[1, "red"], [1, "green"],
[2, "red"],
[3, "yellow"],
[4, "red"], [4, "green"], [4, "yellow"],
[5, "green"], [5, "red"],
[6, "black"],
[7, "foo"],
[8, "bar"],
[9, "baz"],
[10, "baz"],
[11, "bar"]]
#I get the following:
[["green", "red", "yellow"], 1]
[["green", "red"], 3]
[["red"], 4]
[["yellow"], 2]
[["baz"], 2]
#yours gives this:
[["green", "red", "yellow"], 1]
[["green", "red"], 3]
[["red"], 4]
[["yellow"], 2]
[["foo"], 1]
[["black"], 1]
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