In A Simple Approach To Templated SQL Queries In Python, I introduced the basics of SQL templates in Python using JinjaSql. This post further demonstrates the power of Jinja2 within JinjaSql templates using presets, loops, and custom functions. Let’s consider an everyday use case when we have a table with some dimensions and some numerical values, and we want to find some metrics for a given dimen
The first and most important step towards developing a powerful machine learning model is acquiring good data. It doesn’t matter if you’re using a simple logistic regression or the fanciest state-of-the-art neural network to make predictions: If you don’t have rich input, your model will be garbage in, garbage out. This exposes an unfortunate truth that every hopeful, young data scientist has to c
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