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# Category: Data Science Tutorials

## Math in Data Science

Math is like an octopus: it has tentacles that can reach out and touch just about every subject. And while some subjects only get a light brush, others get wrapped up like a clam in the tentacles’ vice-like grip. Data science falls into the latter category. If you want to do data science, you’re going […]

## Scikit-learn Tutorial: Machine Learning in Python

Scikit-learn is a free machine learning library for Python. It features various algorithms like support vector machine, random forests, and k-neighbours, and it also supports Python numerical and scientific libraries like NumPy and SciPy. In this tutorial we will learn to code python and apply Machine Learning with the help of the scikit-learn library, which […]

## Linear Regression in Real Life

This post was written by Carolina Bento. She leads Data Analytics teams that empower companies to make data-driven decisions, and currently manages Product Analytics team at eero. This article was originally posted on Medium, and has been reposted with perlesson. We learn a lot of interesting and useful concepts in school but sometimes it’s not […]

## Python Dictionary Tutorial: Analyze Craft Beer with Dictionaries

Learn to use Python dictionaries to store, sort, and access data in this in-depth tutorial analyzing craft beer data to master dictionary techniques.

## Tutorial: Understanding Regression Error Metrics in Python

Error metrics are short and useful summaries of the quality of our data. We dive into four common regression metrics and discuss their use cases.

## Tutorial: Basic Statistics in Python — Probability

Explore statistics for data science by learning probability is, normal distributions, and the z-score — all within the context of analyzing wine data.

## Tutorial: Basic Statistics in Python — Descriptive Statistics

Learn how to do descriptive statistics in Python with this in-depth tutorial that covers the basics (mean, median, and mode) and more advanced topics.

## 12 Essential Command Line Tools for Data Scientists

Learn 12 useful command line/terminal commands for data science work.

## Python Generators

Python generators are a powerful, but misunderstood tool. They’re often treated as too difficult a concept for beginning programmers to learn — creating the illusion that beginners should hold off on learning generators until they are ready. I think this assessment is unfair, and that you can use generators sooner than you think. In this […]

## Programming Best Practices For Data Science

The data science life cycle is generally comprised of the following components: data retrieval data cleaning data exploration and visualization statistical or predictive modeling While these components are helpful for understanding the different phases, they don’t help us think about our programming workflow. Often, the entire data science life cycle ends up as an arbitrary […]