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fslaborg / Deedle

Easy to use .NET library for data and time series manipulation and for scientific programming
http://fslab.org/Deedle/
BSD 2-Clause "Simplified" License
939 stars 197 forks source link

Test case and fix for empty frames using `frame []` #272

Closed tpetricek closed 10 years ago

tpetricek commented 10 years ago

This adds a test checking that it is possible to create an empty frame and adds a simple fix for this (via @adamklein). I also added a test that fixes the behaviour when a new column is added to an empty frame - when that happens, the frame's row keys are fixed to the row keys of the first column (and later added columns use left join).