Version 0.5.1.2

Minor functional extensions and minor bug-fixes

Version 0.5.1.1 Bugfix

Fixed missing value handling in csv column type detection logic.

Version 0.5.1

Added auto-detection of column types in the csv loading routines. As these methods estimate the types from a sample of the data in the column, they may produce incorrect guesses. Additional methods have been added to simplify the process of manually specifying types by producing the list of guestimated types for editing.

Version 0.5

Numerous API changes (mostly name changes) regarding dates and times primarily.
Extension of minor functionality, mostly at the column level.

Version 0.4.1

Minor enhancements in functionality, plus a significant improvement in CSV file loading times when the files contain dates.
Test with 4 columns (one a date) and 1/2 billion rows, completed in 14:45, down from 38:30.

Version 0.4

Incorporates support for loading data via SQL/JDBC.
Numerous bug-fixes and performance improvements

Release v 0.3-alpha

This version includes work to reduce the number of imports needed for use in a Java 9 REPL, as well as a few new methods, and documentation enhancements.

The primary area of functionality that remains is to bring support for grouping and aggregation up to the level of functionality in Outlier.

Release v 0.2-alpha

Numerous bug-fixes, documentation improvements, and functional enhancements, in the area of general table and column functionality, as well as in column-store api and implementation.

Initial (alpha) release

An initial release of Tablesaw. There is considerable functionality here, but APIs will change, and there are numerous issues. Nevertheless, starting the process of moving towards a production version.