def value_counts(self, method='sort'):
if method != 'sort':
msg = 'non sort based value_count() not implemented yet'
raise NotImplementedError(msg)
segs, sortedvals = self._unique_segments()
# Return both values and their counts
out_vals = cpp_copying.apply_gather_array(sortedvals, segs)
out2 = cudautils.value_count(segs, len(sortedvals))
out_counts = NumericalColumn(data=Buffer(out2), dtype=np.intp)
return out_vals, out_counts
def value_counts(self, method='sort'):
if method is not 'sort':
msg = 'non sort based value_count() not implemented yet'
raise NotImplementedError(msg)
segs, sortedvals = self._unique_segments()
# Return both values and their counts
out1 = cudautils.gather(data=sortedvals, index=segs)
out2 = cudautils.value_count(segs, len(sortedvals))
out_vals = self.replace(data=Buffer(out1), mask=None)
out_counts = NumericalColumn(data=Buffer(out2), dtype=np.intp)
return out_vals, out_counts