Changes in version 0.1.0 (2026-07-09) - Initial release. Provides an R interface to the Apache DataSketches C++ library: - Quantile sketches: kll_doubles(), kll_floats(), req(), and tdigest_double(). - Cardinality sketches: hll(), cpc(), and theta() (with set operations). - Frequency sketches: frequent_items() and count_min(). - Tuple sketches: array_of_doubles() (with set operations). - Sampling sketches: varopt() and ebpps(). - Filters: bloom_filter(). All sketches provide $update(), $merge(), $summary(), $inspect(), and native $serialize() / bytes = round-tripping, plus format(), print(), as.character(), and summary() methods.