- 6 Courses Completed
- 39 Levels Completed
- 1 Screencasts Watched
- 115,700 Total Points
Ruby: 1 Course Completed
Getting Started With Ruby on Rails
Learn the basic building blocks of Ruby, all in the browser.
All For One, One For All
Get an introduction to numbers, Strings, properties, and methods.
There Are Always Two
Learn about conversions, arrays, variables, and more methods.
Third Time's The Charm
Review printing, brackets, and String manipulation.
Fourth and Short
Take a shot at method chaining, hashes, keys, and values.
The Highest of Fives
Study up on blocks, directories, and method arguments.
Start building methods, libraries, popups, and HTML with Ruby.
Electives: 1 Course Completed
Learn the R programming language for data analysis and visualization. This software programming language is great for statistical computing and graphics.
A gentle introduction to R expressions, variables, and functions.
Grouping values into vectors, then doing arithmetic and graphs with them.
Creating and graphing two-dimensional data sets.
Calculating and plotting some basic statistics: mean, median, and standard deviation.
Creating and plotting categorized data.
Organizing values into data frames, loading frames from files and merging them.
Testing for correlation between data sets, linear models, and extending R with additional libraries.
Database: 2 Courses Completed
The Ins and Outs of Databases
Learn about databases from the inside out, as well as how to perform simple data queries and filter data with special query tools in SQL.
Find out how to add, revise, and remove data in an existing database.
Managing Databases and Tables
Discover basic concepts for creating and altering databases and tables.
Learn the most important parts of the SQL language so you can create tables with constraints, use relationships, and write powerful join queries.
Learn how to use SQL aggregate functions, including COUNT, SUM, and AVG, to do calculations on groups of data.
Add constraints — like NOT NULL, UNIQUE, FOREIGN KEY, and PRIMARY KEY — to your tables to increase data integrity.
Normalization and Relationships
Apply normalization rules to create tables without duplicate data and build the appropriate relationships.
Inner Joins, Aliases, and Outer Joins
Explore writing a single query to pull data from multiple tables and using aliases to create succinct queries.
Dive deeper as you learn how to write queries within queries.
Database: 1 Screencast Watched
The Cliffs of Value
Learn to manipulate values on the console.
Review how to store and use data with variables.
Create JS files and source them within HTML code.
Git: 1 Course Completed
Learn how to use Git by reviewing the basic concepts of Git version control. Try out this introductory course that was created with GitHub.
Discover the basics of Git, including how to initialize a repo. Learn how to add, commit, and push your code to GitHub.