KDnuggets™ News 19:n04, Jan 23: Top 7 Python Libraries for Data Science and AI; Ontology and Data Science

Also Cartoon: Is this how you do the blockchain thing?; Data Scientist's Dilemma: The Cold Start Problem; Why Ice Cream Is Linked to Shark Attacks - Correlation/Causation Smackdown.

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Blockchain CartoonCartoon: Is this how you do the blockchain thing?