Every business challenge that is to be solved with a data-driven decision has a data universe behind it. This data universe is the set of data that could be captured that...
The question of how to structure or arrange data in order to gain worthwhile insights is quite different from the issue of what data to include or how it should be analyz...
I originally started writing this notebook to serve as an introduction decision trees. It’s a description of the “1-rule” algorithm which I think is wor...
The Jupyter notebook at this link contains a tutorial that explains how to use the lxml package and xpath expressions to extract data from a webpage. The tutorial consist...
Back in 2017, we posted a problem related to stochastic processes and controlled random walks, offering a $2,000 award for a sound solution, see here for full details. Th...
So, you think you can be a data scientist. But, are you sure you have it what it takes to excel in the data science field? Be careful. It’s a very complicated field, ...
A report from Accentureclearly highlights those companies that don’t want to capitalize on AI will not survive the future (see Figure 1). Adopt or die. Yippee Ki Ya...
Google Data Studio is a new data visualization tool allowing you to transform your clear and dry data into visually appealing and understandable reports and to be shared ...
Speech processing is a very popular area of machine learning. There is a significant demand in transforming human speech into text and text into speech. It is especially ...
The past few years have seen a wave of travel companies member accounts compromised which have rocked the industry. Cathay Pacific had 9.4M accounts compromised. British ...