Sentence examples for imbalanced database from inspiring English sources
The process of cross validation used in this study followed the methodology suggested by Machado [ 24], where the imbalanced database is initially divided into ten subsets.
Common ML algorithms cannot be directly implemented on this imbalanced database for score tuning, because the majority class will dominate the learning process and leads to poor generalization performance on new patients from the minority class.
This fact supports the authors Machado [ 24] when they state that the classifiers generated from imbalanced databases present high levels of false negatives for rare classes which is problematic when these are the classes being studied.
In this paper we present and study a variety of distributed-memory parallel algorithms for a tree-projection-based frequent sequence discovery algorithm that are able to minimize the various overheads associated with load imbalance, database overlap, and interprocessor communication.
This occurs because the database is imbalanced and the classifier therefore learns a lot about the negative class (majority) and little about the positive class (minority).
In the field of classification, a database is described as imbalanced when there are much fewer cases of some classes than others [ 22].
But the relationship is imbalanced.
Yet the game is even more imbalanced.
It's wonderfully imbalanced.
