Back to Course Collected Ruby 0% Complete 0/0 Steps Building and Combining 13 Topics Array New with James Edward Gray II Hash Default Blocks Concat Array Product Combination Array Set Operations Hash Subset Hash Merge Hash Splat Merge Range Set Zip Lazy Zip Extracting 13 Topics First Pop #fetch as an Assertion #fetch for Defaults Advanced #fetch Fetch Values Values At Dig Splat Basics Implicit Splat Splat Group Destructuring Random Samples Traversing 9 Topics Chunk Advanced Chunk Chunk While each cons Immutable Enumerators with Tom Stuart Enumerator Lazy Drop While Yield or Enumerate Finding and Filtering 4 Topics #one? Min By Grep Inverted Grep Rearranging 4 Topics Cycle Sort Check TSort with Justin Weiss Schwartzian Transform Transforming 8 Topics Flat Map Detect Map Hash To Proc Partition Group By Transpose Hash Invert Arrays To Hashes Reducing 5 Topics Count Sum Stats Reduce Redux From Math to Code Conclusion and Next Steps Search (Entire Site)Search Collected Ruby Transforming Group By Module 6, Topic 5 In Progress ← Previous Next→ Group By Module Progress 0% Complete Grouping data by various properties is easy in Ruby, and there are more uses for it than you might think... Oop, this content isn't available to visitors. Please register or log in to continue! Or you could purchase this course. Responses You must be logged in to post a comment.