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DOC: fixed up release notes a little more
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doc/data/test.xls

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doc/source/v0.9.1.txt

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@@ -12,7 +12,8 @@ DataFrame.
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New features
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~~~~~~~~~~~~
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- Can specify multiple sort orders in DataFrame/Series.sort/sort_index (GH928_)
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- `Series.sort`, `DataFrame.sort`, and `DataFrame.sort_index` can now be
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specified in a per-column manner to support multiple sort orders (GH928_)
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.. ipython:: python
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@@ -21,7 +22,9 @@ New features
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df.sort(['A', 'B'], ascending=[1, 0])
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- New `top` and `bottom` options for handling NAs in rank (GH1508_, GH2159_)
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- `DataFrame.rank` now supports additional argument values for the
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`na_option` parameter so missing values can be assigned either the largest
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or the smallest rank (GH1508_, GH2159_)
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.. ipython:: python
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@@ -36,7 +39,8 @@ New features
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df.rank(na_option='bottom')
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- Add `where` and `mask` functions to DataFrame (GH2109_, GH2151_)
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- DataFrame has new `where` and `mask` methods to select values according to a
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given boolean mask (GH2109_, GH2151_)
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.. ipython:: python
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@@ -47,18 +51,27 @@ New features
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df.mask(df < 0)
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- Add `at_time` and `between_time` functions to DataFrame (GH2149_)
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- Enable referencing of Excel columns by their column names (GH1936_)
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- DataFrame.dot can accept ndarrays (GH2042_)
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- Make .drop(...) work with non-unique indexes (GH2101_)
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- Support negative periods in Panel.shift (GH2164_)
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- Support unary ~ in DataFrame (GH2110_)
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.. ipython:: python
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xl = ExcelFile('data/test.xls')
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xl.parse('Sheet1', index_col=0, parse_dates=True,
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parse_cols='A:D')
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- Existing TimeSeries methods `at_time` and `between_time` were added to
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DataFrame (GH2149_)
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- DataFrame.dot can now accept ndarrays (GH2042_)
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- DataFrame.drop now supports non-unique indexes (GH2101_)
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- Panel.shift now supports negative periods (GH2164_)
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- DataFrame now support unary ~ operator (GH2110_)
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API changes
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~~~~~~~~~~~
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- Upsampling period index "spans" intervals. Example: annual periods
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upsampled to monthly will span all months in each year
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- Upsampling data with a PeriodIndex will result in a higher frequency
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TimeSeries that spans the original time window
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.. ipython:: python
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@@ -69,7 +82,7 @@ API changes
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s.resample('M')
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- Period.end_time will yield timestamp at last nanosecond in the interval
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- Period.end_time now returns the last nanosecond in the time interval
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(GH2124_, GH2125_, GH1764_)
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.. ipython:: python
@@ -78,6 +91,7 @@ API changes
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p.end_time
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- File parsers no longer coerce to float or bool for columns that have custom
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converters specified (GH2184_)
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@@ -90,7 +104,7 @@ API changes
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"""
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from cStringIO import StringIO
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read_csv(StringIO(data), converters={'A' : lambda x: x.strip()})
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