~/talk

dplyr 1.1.0 Features You Can't Live Without

Talkat posit::conf(2023) · 2023-09-17..09-20· [data-engineering]
slides:none on file

dplyr 1.1.0 makes three concrete changes: case_match (casewin) accepts mixed RHS types so previous NA/type errors disappear; summarize gains per-operation .by so grouping can be written inline and returns an ungrouped frame (no more forgotten ungroup bugs, e.g. the Luigi Mumu Farm 305-wins case); joins add rolling and inequality joins plus overlap support and a new join_by helper for complex merges; also consecutive_id() and big arrange() speedups.

AI-written summary · about

  1. 0:00Reducing friction
  2. 1:34Grouping changes
  3. 4:18New join capabilities
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