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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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.
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.
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.
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.
Parul Pandey
March 28, 2019
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.
Karlijn Willems
March 27, 2019
R Packages: A Beginner's Tutorial
An introduction to R packages based on 11 of the most frequently asked user questions.
DataCamp Team
March 25, 2019
Beginners Guide to SQLite
Learn the basics of SQLite databases from SQLite dot commands to an example of their practical applications using the command line interface.
Francisco Javier Carrera Arias
March 22, 2019
18 Most Common Python List Questions
Discover how to create a list in Python, select list elements, the difference between append() and extend(), why to use NumPy and much more.
Karlijn Willems
March 21, 2019
Introduction to SQL Joins
In this tutorial, you'll learn about the mechanics of joins in SQL and its different types.
Sayak Paul
March 20, 2019
Importing Data Into R - Part Two
A tutorial on importing data into R. The focus is on reading data from sources like statistical software, databases, webscraping, and more.
Karlijn Willems
March 18, 2019
Introduction to the Where Clause in SQL
In this tutorial, you will be introduced to filtering rows in SQL using the where clause.
Sayak Paul
March 15, 2019
Data Wrangling with VLOOKUP in Spreadsheets
In this tutorial, you will get an overview of how to use the VLOOKUP function and also a basic explanation of INDEX-MATCH.
Francisco Javier Carrera Arias
March 13, 2019