Robert R. Tucci
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  • Woburn
  • United States
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Physics Phd
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Data Science, Machine Learning, AI, Deep Learning, Other
Quantum computing, AI, Bayesian Networks
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Robert R. Tucci's Blog

Causal AI dictum: A dataset is model-free

Posted on March 24, 2021 at 4:32am 0 Comments


Time and time again, Judea Pearl makes the point on Twitter to neural net advocates that they are trying to do a provably impossible task, to derive a model from data. I could be wrong, but this is what I think he means.

When Pearl says "data", he is referring to what is commonly called a dataset. A dataset is a table of data, where all the entries of each column have the same units, and measure a single feature, and each row refers to one…


Discontinuities in Causal AI. Classical & Quantum Detectors

Posted on February 7, 2021 at 6:30am 0 Comments


A classic classical discontinuity: "Leaping the Chasm" (1886) by Ashley Bennett, son of photographer Henry Hamilton Bennett, jumping to "Stand Rock". See www.wisconsinhistory.org

I am happy to announce that today I added 2 new chapters to Bayesuvius (my free, open source book on Bayesian Networks). The titles of the 2 new chapters…


New chapter on (in) Rubin’s Theory of Potential Outcomes

Posted on January 26, 2021 at 11:30pm 0 Comments

pearl-rubin Judea Pearl (left) and Donald Rubin (right). The 2  fathers of PO. (Photo shot in 2014 and pilfered by me from "The Book of Why", by Judea Pearl.)

I am happy to announce that today I added 3 new chapters to Bayesuvius (my free, open source book on Bayesian Networks). The titles of the 3 new chapters are

  1. Potential Outcomes
  2. Instrumental Variables
  3. Instrumental …

Quantum d-separation and quantum belief propagation à la Pearl

Posted on December 9, 2020 at 7:00pm 1 Comment

I've just written a new paper entitled: "Quantum d-separation and quantum belief propagation". Here is the abstract:

The goal of this paper is to generalize classical d-separation and classical Belief Propagation (BP) to the quantum realm. Classical d-separation is an essential ingredient of most of Judea Pearl's work. It is crucial to all 3 rungs of what Pearl calls the 3 rungs of Causation. So having a quantum version of d-separation and BP probably implies that most of…

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