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Data Science Tutorials

Develop your data science skills with tutorials in our blog. We cover everything from intricate data visualizations in Tableau to version control features in Git.
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Data Visualization

Graphs in Spreadsheets

In this tutorial, you'll learn how to create visualizations to display data and gain more meaningful insights with spreadsheets.

Aditya Sharma

April 26, 2019


Aggregate Functions in SQL

Learn how to use aggregate functions for summarizing results and gaining useful insights about data in SQL.
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Sayak Paul

April 17, 2019


Video: Answering Real-World Questions with SQL Queries

In this video tutorial, you'll break down real-world questions to construct complex queries using CASE statements, subqueries, and common table expressions.
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Ryan Sheehy

April 8, 2019


CASE Statements in PostgreSQL

In this tutorial, you'll learn how to write conditional queries in PostgreSQL using the PostgreSQL CASE conditional expression.
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Sayak Paul

April 3, 2019


10 Command-line Utilities in PostgreSQL

In this tutorial, learn about 10 handy command-line utilities in PostgreSQL which can enable you to interact with databases efficiently.
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Sayak Paul

March 29, 2019


SQL with Power BI

In this tutorial, you'll learn how to connect Power BI to a Microsoft SQL Server database and then analyze the data to get insights.
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Parul Pandey

March 28, 2019

R Programming

How to Make a Histogram with ggvis in R

Learn how to make a histogram with ggvis. Go from the very basics to creating interactive graphs with shiny to display distributions.
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Karlijn Willems

March 27, 2019