From 3cfc22ed77c0ceb4b22f1667f89d053d7f99fc59 Mon Sep 17 00:00:00 2001 From: Scott Sanderson Date: Wed, 20 Jan 2016 23:21:00 -0500 Subject: [PATCH] DOC: Add whatsnew. --- docs/source/whatsnew/0.8.4.txt | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/docs/source/whatsnew/0.8.4.txt b/docs/source/whatsnew/0.8.4.txt index 2b86d8f1..9531fead 100644 --- a/docs/source/whatsnew/0.8.4.txt +++ b/docs/source/whatsnew/0.8.4.txt @@ -17,6 +17,11 @@ Highlights * :class:`~zipline.assets.assets.AssetFinder` speedups (:issue:`830` and :issue:`817`). +* Improved support for non-float dtypes in Pipeline. Most notably, we now + support ``datetime64`` and ``int64`` dtypes for ``Factor``, and + ``BoundColumn.latest`` now returns a proper ``Filter`` object when the column + is of dtype ``bool``. + Enhancements ~~~~~~~~~~~~ @@ -83,6 +88,17 @@ Enhancements data that is timestamped on or after ``8:45`` will not seen on that day in the simulation. The data will be made available on the next day (:issue:`947`). +* ``BoundColumn.latest`` now returns a + :class:`~zipline.pipeline.filters.Filter` for columns of dtype + ``bool`` (:issue:`962`). + +* Added support for :class:`~zipline.pipeline.factors.Factor` instances with + ``int64`` dtype. :class:`~zipline.pipeline.data.dataset.Column` now requires + a ``missing_value`` when dtype is integral. (:issue:`962`) + +* It is also now possible to specify custom ``missing_value`` values for + ``float``, ``datetime``, and ``bool`` Pipeline terms. (:issue:`962`) + Experimental Features ~~~~~~~~~~~~~~~~~~~~~