Changed how "depth" (data set size) is computed.
Changed how "depth" (data set size) is computed.

XDATA-Year-3/UpSet,syrenio/powerset,XDATA-Year-3/UpSet,syrenio/upset,zhanghuijun-hello/test,zhanghuijun-hello/test,VCG/upset,VCG/upset,syrenio/upset,XDATA-Year-3/UpSet,XDATA-Year-3/UpSet,syrenio/powerset,syrenio/powerset,syrenio/upset,zhanghuijun-hello/test,XDATA-Year-3/UpSet,zhanghuijun-hello/test,VCG/upset,syrenio/upset,syrenio/powerset,VCG/upset