How to Lie with P-values
P-values are used in statistics and scientific publications, much less so in machine learning applications where re-sampling techniques are favored and easy to implement ...
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31 Statistical Concepts Explained in Simple English – Part 9
This resource is part of a series on specific topics related to data science: regression, clustering, neural networks, deep learning, decision trees, ensembles, correlati...
30 Ways to Tell If You (or a Loved One) Loves Spreadsheets Too Much
You know that person who has a spreadsheet for everything… or maybe that person is you. It’s nothing to be ashamed of. I myself have been guilty of loving spreads...
Text Encoding: A Review
The key to perform any text mining operation, such as topic detection or sentiment analysis, is to transform words into numbers, sequences of words into sequences of numb...
Monty Hall Problem
Select a door. You selected the door number 1. Monty Hall opened the door number 2. We see a goat there. In Silvio Santos Show, a Brazilian TV program, there is always a ...
Learn #MachineLearning Coding Basics in a weekend – Glossary and Mindmap
For background to this post, please see Learn #MachineLearning Coding Basics in a weekend. Here,we present the glossary that we use for the coding and the mindmap attach...
Book: Statistics for Managers Using Microsoft Excel
For one- or two-semester business statistics courses. Not a new book, but a popular one (8th edition.) This text is the gold standard for learning how to use Excel in b...
5 reasons why graph visualization matters
Why is graph visualization so important? How can it help businesses sifting through large amounts of complex data? We explore the answer in this post through 5 advantages...
How to Learn Python in 30 days
Introduction Are you looking to learn python for data science but have a time crunch? Are you making your career shift into data science and want to learn python? In this...
Kicking Chicago with R.
Like most Chicago football fans, I was pretty distraught after the Bears lost last Sunday’s playoff game courtesy of a missed field goal at the end — a kick t...