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Computing various quantities such as medians or the number of unique elements requires a lot of time or a lot of memory or both. It is, however, possible to get really close to the exact answer with much less time and much less memory. Some of these algorithms are much simpler than you might expect. I will describe a selection of these algorithms including some not yet published algorithms.
We will also outline how these algorithms can be applied to practical problems like anomaly detection.
KEYWORDS: Streaming algorithms
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North America. Please refer to theMapR Talks Directory for specific countries.
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