The QR code, or Quick Response Code, works by encoding data in a two-dimensional barcode. It is a type of matrix barcode, which is a two-dimensional barcode that uses a...
Over the past year or so, the Optuna package has quickly become a favourite among data scientists for hyperparameter tuning on machine learning models, and for good reason. It’s lightweight,...
The Natural Language Toolkit (NLTK) is a powerful Python package for performing a wide range of common NLP tasks, including Part of Speech tagging or POS tagging for short.
GitLab is one of the most widely used project management tools in software development and data science. It’s similar to Jira and similar systems in that it provides a useful...
When working with Pandas dataframes you’ll often need to convert values from one format to another. For example, you might need to convert a string to a float or an...
When working with Pandas dataframes, it’s a very common task to calculate the difference between two rows. For example, you might want to calculate the difference in the number of...
Customer Lifetime Value or CLV (also erroneously called Lifetime Customer Value or Lifetime Value) is one of the most misunderstood of all marketing metrics. Weirdly, everyone in marketing understands its...
Fake reviews seem to be everywhere these days, leaving customers unsure over which products or businesses are actually any good. Whether you’re shopping on Amazon, checking out a restaurant on...
Real world data is rarely clean, and you’ll often encounter missing values when working with Pandas dataframes. Missing values can lead to errors in your code, and can cause models...
