sparse matrix

(redirected from Sparse data set)

sparse matrix

[′spärs ′mā·triks]
(mathematics)
A matrix most of whose entries are zeros.
References in periodicals archive ?
And the experimental results show that compared with full search, our proposed method may got production up by 5 percent for nonuniform sparse data set from field soil temperature and humidity.
Although this kind of similarity can provide good prediction effect, it not only cost much computation time but also lose performance for the very sparse data set.
In our investigations on collaborative filtering techniques, we have found a fact as follows: Slope One method is suitable for the very sparse data set (i.
Slightly smaller values may produce better results on sparse data sets.