Welch's t-test: Difference between revisions
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Line 170:
lngamma=: ^.@!@<:`(^.@!@(1 | ]) + +/@:^.@(1 + 1&| + i.@<.)@<:)@.(1&<:)"0
mean=: +/ % #
nu=: # - 1:
sampvar=: +/@((- mean) ^ 2:) % nu
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