Sebastian Krantz

Weighted quantiles collapse

2

Thanks a lot for your comparison of weighted quantile estimators! This has been very informative. Indeed there was a bug in the *collapse* algorithm (https://github.com/SebKrantz/collapse/issues/659) which I have just fixed...

large data joins using collapse?

4

Hi, I just wanted to ask why you took *collapse* out of the 50Gb join benchmark, given that it had initially successfully completed it? *collapse* has a single-threaded implementation of...

Rcpp sugar indexHash (unique, sort_unique, etc.) distinguish signed and unsigned zeros

2

Hi Dirk, sorry if this is not exactly as much effort as you expect for an issue, I just wanted to flag something reported to *collapse* ([#648](https://github.com/SebKrantz/collapse/issues/648)), which is present...

*collapse* supports *data.table* (it has become a [partner package](https://rdatatable-community.github.io/The-Raft/posts/2024-09-21-seal_of_approval-collapse/)), which includes the ability to output valid *data.table*'s after *collapse* operations. Currently, *data.table*'s are implemented as overallocated lists, requiring *collapse* to...

https://github.com/fastverse/collapse/discussions/798