Topics

• Split function
• Run-length encoding
• Speeding up tough-to-vectorize code

Examples

• Basic usage of split
• Using split in the split-apply-combine paradigm
• Run-length Encoding with `rle`
• Identifying and grouping by runs in base R
• Identifying and grouping by runs in data.table
• Run-length encoding to compress and decompress vectors
• Speeding tough-to-vectorize for loops with Rcpp
• Speeding tough-to-vectorize for loops by byte compiling