Sunday, October 24, 2021
Analytics Coding Education STEM

Raw Data to Machine Learning to Decision-Tree: step-by-step

We have data on consumer loans and consumers’ basic info such as income, credit score, and status of the loans. What the loaner wants to know the risk of loaning to specific categories of consumers. Actuaries do this all the time, and while I’m not and never desire to be one, I find that the […]

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Analytics Education STEM

Putting together our Presidents (Infographic in Excel)

In several of my earlier blogs, I demonstrated working with raw data from multiple sources to generate visual and statistical analysis. You can find them in the following posts: Let’s Play With All The Presidents (Excel)-Part1 Let’s Play With All The Presidents (Excel)-Part2 Getting To Know Our Presidents In this blog, I share the combined […]

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Analytics Coding Education STEM

Be the right kind of ‘Mean’

No, I’m not talking about stingy, spiteful kind…rather mathematical mean: arithmetic and statistical means to be exact. In fact, a handful of mean functions and applications. In most common situations, when we say ‘Mean’ even the statisticians mean the Average…or the arithmetic mean we all know since early childhood. We continue use it because while […]

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