diff --git a/NEWS.md b/NEWS.md index 20548c00..b71f5726 100644 --- a/NEWS.md +++ b/NEWS.md @@ -1,7 +1,26 @@ -# uwot 0.1.0 +# uwot 0.1.2 Initial CRAN release. +## New features + +* New parameter, `tmpdir`, which allows the user to specify the temporary +directory where nearest neighbor indexes will be written during Annoy +nearest neighbor search. The default is `base::tempdir()`. Only used if +`n_threads > 1` and `nn_method = "annoy"`. + +## Bug fixes and minor improvements + +* Fixed an issue with `lvish` where there was an off-by-one error when +calculating input probabilities. + +* Added a safe-guard to `lvish` to prevent the gaussian precision, beta, +becoming overly large when the binary search fails during perplexity +calibration. + +* The `lvish` perplexity calibration uses the log-sum-exp trick to avoid +numeric underflow if beta becomes large. + # uwot 0.0.0.9010 (31 March 2019) ## New features