2018

On Coresets for Logistic Regression

Munteanu, Alexander, Schwiegelshohn, Chris, Sohler, Christian et al.

Understand

Coresets are one of the central methods to facilitate the analysis of large data sets.

  • We continue a recent line of research applying the theory of coresets to logistic regression.
  • First, we show a negative result, namely, that no strongly sublinear sized coresets exist for logistic regression.
  • To deal with intractable worst-case instances we introduce a complexity measure $\mu(X)$, which quantifies the hardness of compressing a data set for logistic regression.

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