Agate

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* Table now takes (column_name, column_type) pairs. (180)
* Renamed the library to agate. (179)
* Results of common column operations are now cached using a common memoize decorator. (162)
* ated support for Python version 3.2.
* Added support for Python wheel packaging. (127)
* Add PercentileRank computation and usage example to cookbook. (152)
* Add indexed change example to cookbook. (151)
* Add annual change example to cookbook. (150)
* Column.aggregate now invokes Aggregations.
* Column.any, NumberColumn.sum, etc. converted to Aggregations.
* Implement Aggregation and subclasses. (155)
* Move ColumnType subclasses and ColumnOperation subclasses into new modules.
* Table.percent_change, Table.rank and Table.zscores reimplemented as Computers.
* Computer implemented. Table.compute reimplemented. (147)
* NumberColumn.iqr (inter-quartile range) implemented. (102)
* Remove Column.counts as it is not the best way.
* Implement ColumnOperation and subclasses.
* Table.aggregate migrated to TableSet.aggregate.
* Table.group_by now supports grouping by a key function. (140)
* NumberColumn.deciles implemented.
* NumberColumn.quintiles implemented. (46)
* NumberColumn.quartiles implemented. (45)
* Added robust test case for NumberColumn.percentiles. (129)
* NumberColumn.percentiles reimplemented using new method. (130)
* Reorganized and modularized column implementations.
* Table.group_by now returns a TableSet.
* Implement TableSet object. (141)

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* Upgrade to python-dateutil 2.2. (134)
* Wrote introductory tutorial. (133)
* Reorganize documentation (132)
* Add John Heasly to AUTHORS.
* Implement percentile. (35)
* no_null_computations now accepts args. (122)
* Table.z_scores implemented. (123)
* DateTimeColumn implemented. (23)
* Column.counts now returns dict instead of Table. (109)
* ColumnType.create_column renamed _create_column. (118)
* Added Mick O'Brien to AUTHORS. (121)
* Pearson correlation implemented. (103)

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* DateType.date_format implemented. (112)
* Create ColumnType classes to simplify data parsing.
* DateColumn implemented. (7)
* Cookbook: Excel pivot tables. (41)
* Cookbook: statistics, including outlier detection. (82)
* Cookbook: emulating Underscore's any and all. (107)
* Parameter documention for method parameters. (108)
* Table.rank now accepts a column name or key function.
* Optionally use cdecimal for improved performance. (106)
* Smart naming of aggregate columns.
* Duplicate columns names are now an error. (92)
* BooleanColumn implemented. (6)
* TextColumn.max_length implemented. (95)
* Table.find implemented. (14)
* Better error handling in Table.__init__. (38)
* Collapse IntColumn and FloatColumn into NumberColumn. (64)
* Table.mad_outliers implemented. (93)
* Column.mad implemented. (93)
* Table.stdev_outliers implemented. (86)
* Table.group_by implemented. (3)
* Cookbook: emulating R. (81)
* Table.left_outer_join now accepts column names or key functions. (80)
* Table.inner_join now accepts column names or key functions. (80)
* Table.distinct now accepts a column name or key function. (80)
* Table.order_by now accepts a column name or key function. (80)
* Table.rank implemented. (15)
* Reached 100% test coverage. (76)
* Tests for Column._cast methods. (20)
* Table.distinct implemented. (83)
* Use assertSequenceEqual in tests. (84)
* Docs: features section. (87)
* Cookbook: emulating SQL. (79)
* Table.left_outer_join implemented. (11)
* Table.inner_join implemented. (11)

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* Python 3.2, 3.3 and 3.4 support. (52)
* Documented supported platforms.
* Cookbook: csvkit. (36)
* Cookbook: glob syntax. (28)
* Cookbook: filter to values in range. (30)
* RowDoesNotExistError implemented. (70)
* ColumnDoesNotExistError implemented. (71)
* Cookbook: percent change. (67)
* Cookbook: sampleing. (59)
* Cookbook: random sort order. (68)
* Eliminate Table.get_data.
* Use tuples everywhere. (66)
* Fixes for Python 2.6 compatibility. (53)
* Cookbook: multi-column sorting. (13)
* Cookbook: simple sorting.
* Destructive Table ops now deepcopy row data. (63)
* Non-destructive Table ops now share row data. (63)
* Table.sort_by now accepts a function. (65)
* Cookbook: pygal.
* Cookbook: Matplotlib.
* Cookbook: VLOOKUP. (40)
* Cookbook: Excel formulas. (44)
* Cookbook: Rounding to two decimal places. (49)
* Better repr for Column and Row. (56)
* Cookbook: Filter by regex. (27)
* Cookbook: Underscore filter & reject. (57)
* Table.limit implemented. (58)
* Cookbook: writing a CSV. (51)
* Kill Table.filter and Table.reject. (55)
* Column.map removed. (43)
* Column instance & data caching implemented. (42)
* Table.select implemented. (32)
* Eliminate repeated column index lookups. (25)
* Precise DecimalColumn tests.
* Use Decimal type everywhere internally.
* FloatColumn converted to DecimalColumn. (17)
* Added Eric Sagara to AUTHORS. (48)
* NumberColumn.variance implemented. (1)
* Cookbook: loading a CSV. (37)
* Table.percent_change implemented. (16)
* Table.compute implemented. (31)
* Table.filter and Table.reject now take funcs. (24)
* Column.count implemented. (12)
* Column.counts implemented. (8)
* Column.all implemented. (5)
* Column.any implemented. (4)
* Added Jeff Larson to AUTHORS. (18)
* NumberColumn.mode implmented. (18)

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* Initial prototype