A regular expression (regex or regexp for short) is a special text string for describing a search pattern. You can think of regular expressions as wildcards on steroids. You are probably familiar with wildcard notations such as *.txt to find all text files in a file manager. The regex equivalent is .*\.txt$. Last week I posted … Continue reading Regular Expression Crosswords
Many requests have come in regarding the projects I have conducted to learn programming (languages), data science and machine learning. Although I host some basic project examples (e.g., Harry Plotter), I feel an overview of "training datasets" would be more valuable. The internet is full of open-source datasets that allow you to try and learn algorithms, to … Continue reading Datasets to Practice and Learn Programming, Machine Learning, and Data Science
This page is for those completely new to R programming. R code can look like old Egyptian hieroglyphs, with weird operators that do not seem to make sense (%in%,<-, or %/%). The R language has been said to have a steep learning curve and although there are many introductory courses and books (see R Resources), it … Continue reading New to R? Kickstart your learning and career with these 6 steps!
Last month, a video by 3Blue1Brown has been trending on YouTube, accumulating already over a quarter of a million views. It only lasts 10 minutes but provides a very good and intuitive explanation of the inner workings of Neural Networks (NN): https://www.youtube.com/watch?v=aircAruvnKk The Machine Learning & Deep Learning book I wrote about recently provides a more substantial explanation of … Continue reading Neural Networks 101
My list of SQL resources is still quite short so if you have additions, please comment below or contact me! There are separate overviews for Data Science, Machine Learning, & Statistics Resources and for R Resources and Python Resources. LAST UPDATED: 15-10-2017 Cheatsheets: SQL Basics Cheatsheet MySQL Cheatsheet by Dave Child SQL Cheatsheet by sql-tutorial.net SQL in one page … Continue reading SQL Resources (Free Courses, Books, Tutorials, & Cheatsheets)