A short introduction to the AdaBoost algorithmAn Ensemble Orchestra: Photo by Kael Bloom on UnsplashIn this post, we will cover a very brief introduction to boosting algorithms, as well as delve under the hood of a popular boosting algorithm, AdaBoost...

The specflow and cucumber.io for R. Enabling non-coders to interpret test reports for R-packages, moreover allowing non-coders to create test cases. A step towards simple r package validation. Table of contents Why RTest? What’s special about RTest? An example of a test implementation with RTest. Further Reading Why ...

Introduction During my Master’s of Data Science studies at Faculty of Economics University of Warsaw, at Unsupervised Learning Classes I got a task to write a paper about Principal Component Analysis. The goal of this method is to “identify patterns in data and express the data in such a ...

Update, 2019-01-07: I am pleased to say that the online media article that I complained about in Sec 1 below has now been amended by its author(s), to correct the false attributions.  I am grateful to Chris Parr for helping to sort this out. In my post a few ...

CategoriesBasic Statistics Tags Data Visualisation Import Data R Programming This is the second part of the 4-series articles about Dow Jones Stock Market. To read the first part go to this link. In this part, I am going to analyze the Dow Jones Industrial Average (DJIA) trade volume. Packages The ...

Be honest with yourself, how many times have you wanted to restart an on-going project from scratch throwing away the current folder? Or how many times have you had to rename files and adjust folder structure to make your project simple and clear? Not to mention, all these thousands of ...

Registration is now open for my 1.5-day workshop on how to develop end-2-end from a Keras/TensorFlow model to production. It will take place on February 21st & 22nd in Berlin, Germany. Please register by sending an email to [email protected]...

When I first joined Inspire, I actually had very limited data science knowledge and programming experience. In order to get myself up to speed, I searched online for a self-paced MOOC. One course that came up was the data science specialization from Johns Hopkins University on Coursera. Several reasons that ...

I have learned how to draw a heart with mathmatical equation, in fact there are so many “curves” you can draw with equation. Amazing, right?!? You can find all sorts of different curves on Wolfram Mathworld site. I’m really curious how did people find equation itself for some of ...