tidyr 0.6.3

tidyr 0.6.2

tidyr 0.6.1

tidyr 0.6.0

API changes

Bug fixes and minor improvements

tidyr 0.5.1

tidyr 0.5.0

New functions

Bug fixes and minor improvements

tidyr 0.4.1

tidyr 0.4.0

Nested data frames

nest() and unnest() have been overhauled to support a useful way of structuring data frames: the nested data frame. In a grouped data frame, you have one row per observation, and additional metadata define the groups. In a nested data frame, you have one row per group, and the individual observations are stored in a column that is a list of data frames. This is a useful structure when you have lists of other objects (like models) with one element per group.

Expanding

Minor bug fixes and improvements

tidyr 0.3.1

tidyr 0.3.0

New features

Bug fixes and minor improvements

tidyr 0.2.0

New functions

Bug fixes and minor improvements