Instead of simply adding up the number of positive and negative mentions for each concept, the software applies a weighting to each one.
这个软件并不是简单的把每篇文章中的积极词汇和消极词汇数一数，而是每个词汇都有不同的权重。
2
Weighting up there two arguments into account, I am for the former one, the scholarship seats are limited, and the number of poor students are large.
权衡以上两个争论，我支持前者，奖学金的名额有限，但是贫困生的数量庞大。
3
The number of individuals in different demographic groups who would have provided usable information if response rates were equivalent. See sample weighting.