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Dorothy Hewitt-Sanchez
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  • Round Rock, TX
  • United States
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Dorothy Hewitt-Sanchez's Discussions

Is it an Assumption (Hypothesis) or Prediction?

Started this discussion. Last reply by Sagar Diwakar Uparkar Mar 8, 2015. 6 Replies

We have all heard about the case where Target knew about a teenager being pregnant before her father knew.  I do not know the calculation of the formula for producing the results.  However, I…Continue

Predictive Analytics has put a new smile on Cartesian Joins.

Started this discussion. Last reply by Dorothy Hewitt-Sanchez Apr 14, 2014. 4 Replies

For those of us that are familiar with writing SQL queries from traditional relational databases, we have been conditioned to avoid Cartesian Joins.  However, with the explosion of Big Data, maybe we…Continue


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Dorothy Hewitt-Sanchez's Blog

Predictive Analytics Concerns

Posted on July 6, 2018 at 10:32am 0 Comments

I read Tom Davenport article that he wrote to Harvard Ph.D. students and graduates concerning predictive analytics.  It is a very good article.  The article explores some of the questions that students asked in the Analytics Academy class he teaches each May.   

Since I am not a Harvard student or graduate, I did not give any feedback.  However, the questions are really good and I do have a concern.    

My concern about Predictive Analytics is that if you can predict the…


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