# metamer 0.2.0 2019-09-18

## New features

• Added fortify() method to plot metamers directly with ‘ggplot2’.

• The perturbation argument in metamerize() can now be a vector of equal in length to change

• Multiple minimization functions can be passed to minimize.

• Added function mean_self_proximity() that computes the inverse of the mean minimum distance between each datapoint. Pass it to minimize if you don’t want it to clump.

• Small speed improvement.

• Tweaked annealing algorithm.

# metamer 0.1.0 2019-01-02

• First release
• Added a NEWS.md file to track changes to the package.