例句與造句

1. However, the basic assumption of homoscedasticity is violated, so a weighted least squares regression must be used.
2. Using weighted least squares regression and a sliding window approach, they show that, as time passes, words, in terms of both tokens ( in text ) and types ( in vocabulary ), have become longer.
3. It's difficult to find weighted least square regression in a sentence. 用weighted least square regression造句挺難的