Deep learning nails correlation. Causation is another matter.

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  • Did you know that people with bigger hands have larger vocabularies?
  • While that’s actually true, it’s not a causal relationship. This pattern exists because adults tend know more words than kids. It’s a correlation, explains NYU professor Gary Marcus.
  • Deep learning struggles with how to perceive causal relationships. If given the data on hand size and vocabulary size, a deep learning system might only be able to see the correlation, but wouldn’t be able to answer the ‘why?’ of it.


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