John Sølve Tyssedal

1 INTRODUCTION Folding over is a strategy that can be used to create designs with desirable properties. In particular, it ensures de-aliasing of certain effects. In this article, a foldover design denotes a design where the signs of all entries in the original design have been reversed, forming runs that are mirror images of the original ones, and then added to the original design's run.

1 INTRODUCTION Predictive models often need to be trained on a large amount of labeled data before being deployed. However, in industrial applications data is often abundant only in an unlabeled form.