### collapse

Advanced and Fast Statistical Computing and Data Transformation in R

*collapse* is a large C/C++-based infrastructure package facilitating complex statistical computing, data transformation, and exploration tasks in R - at outstanding levels of performance and memory efficiency. It also implements a class-agnostic approach to R programming, supporting vector, matrix and data frame-like objects and their popular variants (e.g., factor, ts, xts, tibble, data.table, sf), ensuring seamless compatibility with large parts of the R ecosystem. *collapse* is among the world's fastest data frame libraries and has been benchmarked (Windows | Linux) for standard tasks. It excels at complex statistical tasks, such as weighted quantiles, statistical modes, time series and panel data operations. It was downloaded ~2 million times.