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Pre-release alpha v0.2.1

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@st-pasha st-pasha released this 12 Sep 01:29
v0.2.1
6f0b5eb

Added

  • Environmental variable DTNOOPENMP will cause the datatable to be built without OpenMP support.
  • If d0 is a DataTable, then d1 = DataTable(d0) will create its shallow copy.
  • In addition to LLVM4 environmental variable, datatable will now also look for the llvm4 folder
    within the package's directory.
  • Getter df.internal.rowindex allows access to the RowIndex on the DataTable (for inspection / reuse).
  • Implemented statistics min, max, mean, stdev, countna for numeric and boolean columns.
  • A framework for computing and storin g per-column summary statistics.
  • sys.getsizeof(dt) can now be used to query the size of the datatable in memory.
  • This CHANGELOG file.

Fixed

  • Filter function when applied to a view DataTable now produces correct result.
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