statistical weight function weights Weight function weighted sum weight function weighted sum English 英語版 weights more from Wikipedia http://en.wikipedia.org/wiki/Weight_function weight Go to dictionary weights http://en.wikipedia.org/wiki/Weight_function 英語版 weights English English weights English http://en.wikipedia.org/wiki/Weight_function English http://en.wikipedia.org/wiki/Weight_function English English English 英語版 English Weight function weighted sum http://en.wikipedia.org/wiki/Weight_function#Statistics