Martin Morgan questions

Martin Morgan answers

• Including a "Hash Table" in a package
• seq and seq_along, best of both worlds?
• Using sum in big dataframe (3.2GB) is very slow
• Why "$" autocompletion works for S4 class "SummarizedExperiment" from BioConductor
• iterate through FASTA entries and rename duplicates
• Mixing ... with formal args in s4 generic method
• R: Improving Nested ifelse Statements & Multiple Patterns
• Coverage by intersecting smaller genomic interval data over larger genomic intervals using R
• Fastest way to select i-th highest value from row and assign to new column
• Include an S4 object from an existing package as a slot in a new S4 class