message: Fix genericity of computeNodeStatistics that couldn't compute stats properly on sub-nodes
diff: @@ -663,7 +663,7 @@ private:
  memset(mean,0,veclen_*sizeof(DistanceType));
  - for (size_t i=0; i<(size_t)indices_length; ++i) {
  + for (int i=0; i<indices_length; ++i) {
  ElementType* vec = dataset_[indices[i]];
  for (size_t j=0; j<veclen_; ++j) {
  mean[j] += vec[j];
  @@ -671,9 +671,9 @@ private:
  variance += distance_(vec, ZeroIterator<ElementType>(), veclen_);
  }
  for (size_t j=0; j<veclen_; ++j) {
  - mean[j] /= size_;
  + mean[j] /= indices_length;
  }
  - variance /= size_;
  + variance /= indices_length;
  variance -= distance_(mean, ZeroIterator<ElementType>(), veclen_);
  DistanceType tmp = 0;
  