Merge pull request #23 from openscm/unit-conversion

Add unit conversion API

Author: znicholls

changelog/23.feature.md

@@ -0,0 +1,2 @@
+- Added unit conversion APIs: [pandas_openscm.unit_conversion.convert_unit] and [pandas_openscm.unit_conversion.convert_unit_like] and the corresponding accessors [pandas_openscm.accessors.DataFramePandasOpenSCMAccessor.convert_unit] and [pandas_openscm.accessors.DataFramePandasOpenSCMAccessor.convert_unit_like]
+- Added the helper: [pandas_openscm.index_manipulation.ensure_is_multiindex] and the corresponding accessors [pandas_openscm.accessors.DataFramePandasOpenSCMAccessor.ensure_index_is_multiindex] and [pandas_openscm.accessors.DataFramePandasOpenSCMAccessor.eiim]

docs/NAVIGATION.md

@@ -9,6 +9,7 @@ See https://oprypin.github.io/mkdocs-literate-nav/
     - [How to make a plume plot](how-to-guides/how-to-make-a-plume-plot.py)
     - [How to use our database, OpenSCMDB](how-to-guides/how-to-use-openscmdb.py)
 - [Tutorials](tutorials/index.md)
+    - [Unit conversion](tutorials/unit-conversion.py)
 - [Further background](further-background/index.md)
     - [Dependency pinning and testing](further-background/dependency-pinning-and-testing.md)
     - [OpenSCMDB back-end speed](further-background/openscmdb-backend-speed.md)