1 Rule Prediction
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...
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The "lxml" Package and xpath Expressions for Web Scraping
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...
Announcement: Winner of the Data Science Central Competition
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?
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, ...
In a World of AI Delirium, Data is the Source of Business Value
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 in 10 minutes: Step-by-Step Guide
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 ...
Comparison of the Top Speech Processing APIs
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 ...
How Airlines & Hotels Profit From Your Data
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 ...
Data Science, Common Stocks and V&V
I thought I would follow on my first blog posting with a follow-up on a claim in the post that going returns followed a truncated Cauchy distribution in three ways. The...
Predicting the demise of retail bookstores: a time series forecasting
“The internet is killing retail. Bookstores are just the first to go.” — quoted in this NYT article. Retail bookstores are in a death row; looks like it’...