G2R2: A True R-squared Measure for Linear and Non-Linear Predictive Models
Abstract This paper introduces a framework that allows us to construct an all-purpose true R-squared measure, G2R2. Unlike the other...
Two Notes About the Two Faces of R-Squared
R-squared can be estimated in two main ways: Ratio of variance of predictions, , to that of the response variable,...
A Common Subtle Error:
Using Maximum Likelihood Tests to Choose Between Different Distributions This article was first published in the summer 2012 edition of...
From Gods, Guts to Science: The Golden Era of Data Analytics In Decision-Making
This article was first published on June 27 2016 on my linkedin page: https://www.linkedin.com/pulse/from-gods-guts-science-golden-era-data-analytics-gyasi-dapaa/ Part I: What's the Craze? The...
Were the Polls Wrong or We Were?: How Trump’s Win Was Way Within the Whims of the Polls!
This article was first published on November 13, 2016 on my linkedin page: https://www.linkedin.com/pulse/were-polls-wrong-we-how-trumps-win-way-within-whims-gyasi-dapaa/ Last Tuesday’s (Nov 8, 2016) elections...
The Five Discomforts of the Business With Analytics:Understand them for Seamless Propagation of Analytics Across Your Enterprise
This article was first published on February 26, 2017 on my linkedin page: https://www.linkedin.com/pulse/five-discomforts-business-analyticsunderstand-them-seamless-dapaa/ One major headache of almost all...
The Four Golden Attributes of 21st Century Products: C.U.T.E!
This article was first published on Nov 4 2017 on my linkedin page: https://www.linkedin.com/in/gyasi-dapaa-520778123/detail/recent-activity/posts/ Humanity is run by three ideals:...
The Art of the Science: Leonardo’s Lesson for Today’s Data Scientists
This article was first published on February 10, 2018 on my linkedin page: https://www.linkedin.com/pulse/art-science-leonardos-lesson-todays-data-scientists-gyasi-dapaa/ If there is any single wisdom...
