Asteca

Changed

* Extend support for up to two colors.
* Improved performance ([357][1]):
* Make mass sampling optional ([373][2])
* Move binarity assignment outside of the synthetic cluster generation
* Move isochrone sorting outside of the synthetic cluster generation
* Move random floats for photometric errors outside of the synthetic cluster generation
* Move random floats for completeness outside of the synthetic cluster generation. Code is now ~3.3X faster

[1]: https://github.com/asteca/ASteCA/issues/357
[2]: https://github.com/asteca/ASteCA/issues/373

Changed

* Improved performance of synthetic cluster generation ([227][1]). Code is now ~4X faster.
* Fix excessive use of memory by Rbf interpolation ([350][2])
* Use equal bin widths in LF and completeness function ([300][3])
* Faster star separation by errors ([351][4])
* Generalize Bayesian DA to N-dimensions, fix statistical issues, improve performance ([352][5])

[1]: https://github.com/asteca/ASteCA/issues/227
[2]: https://github.com/asteca/ASteCA/issues/350
[3]: https://github.com/asteca/ASteCA/issues/300
[4]: https://github.com/asteca/ASteCA/issues/351
[5]: https://github.com/asteca/ASteCA/issues/352

Changed

* Add weights to binned likelihood ([216][1])
* Fix [bug in progress bar][2].
* Identify binaries in [plotted HR diagram][3].
* Modify the information presented by the [2-parameters density plots][4]. Takes care of [71][5].
* Smarter empty field region around cluster region ([345][6]).
* Detect stars with duplicate IDs in data file ([212][7]).

[1]: https://github.com/asteca/ASteCA/issues/216
[2]: https://github.com/asteca/ASteCA/commit/65d1f89bd0992120c8401c80ef976ba3c3803c38
[3]: https://github.com/asteca/ASteCA/commit/7c650fb9b65090ea54064d385aa28087b3008c80
[4]: https://github.com/asteca/ASteCA/commit/ec38070b4bb2c6d48d50c2bbd265f15bcc6347ee
[5]: https://github.com/asteca/ASteCA/issues/71
[6]: https://github.com/asteca/ASteCA/issues/345
[7]: https://github.com/asteca/ASteCA/issues/212

Changed

* Fix issue with tolstoy likelihood estimation ([340][5])
* Fix a couple of issues with the error curve fitting ([338][4])
* Add 'fixed' MPs algorithm (useful when no field region is available) ([326][3])
* Fix crash when obtaining error curve ([256][2])

[2]: https://github.com/asteca/ASteCA/issues/256
[3]: https://github.com/asteca/ASteCA/issues/326
[4]: https://github.com/asteca/ASteCA/issues/338
[5]: https://github.com/asteca/ASteCA/issues/340

Changed

* Generalized code to accept an arbitrary CMD in any _single_ photometric system supported by the [CMD service](http://stev.oapd.inaf.it/cgi-bin/cmd) ([#24][15]).
* Identify binary systems in synthetic clusters ([199][16]).
* Plots are now produced per blocks, instead of all together at the end ([271][17])
* Switch dependency requirement from astroML to astropy ([303][18]).
* Remove unused error rejection modes ([331][1])
* Simplify params_input.dat file ([217][2])
* Check that all metallicity files contain the same number of age values ([218][19])
* Add density maps analysis for center function ([164][3])
* Remove weight added to the observed cluster CMD's histogram ([308][4])
* Fix bad parameter rounding ([248][5])
* Add 'max mag' cut for synthetic clusters ([302][6], [264][7])
* Simplify installation steps ([88][8], [315][9])
* Plot results of brute force minimization ([100][10])
* Make extinction parameter Rv a manual input parameter ([314][11])
* Use numpy's binning methods ([317][12])
* Modify RDP limit ([294][13])
* Store extra data from theoretical isochrones ([201][14])


[1]: https://github.com/asteca/ASteCA/issues/331
[2]: https://github.com/asteca/ASteCA/issues/217
[3]: https://github.com/asteca/ASteCA/issues/164
[4]: https://github.com/asteca/ASteCA/issues/308
[5]: https://github.com/asteca/ASteCA/issues/248
[6]: https://github.com/asteca/ASteCA/issues/302
[7]: https://github.com/asteca/ASteCA/issues/264
[8]: https://github.com/asteca/ASteCA/issues/88
[9]: https://github.com/asteca/ASteCA/issues/315
[10]: https://github.com/asteca/ASteCA/issues/100
[11]: https://github.com/asteca/ASteCA/issues/314
[12]: https://github.com/asteca/ASteCA/issues/317
[13]: https://github.com/asteca/ASteCA/issues/294
[14]: https://github.com/asteca/ASteCA/issues/201
[15]: https://github.com/asteca/ASteCA/issues/24
[16]: https://github.com/asteca/ASteCA/issues/199
[17]: https://github.com/asteca/ASteCA/issues/271
[18]: https://github.com/asteca/ASteCA/issues/303
[19]: https://github.com/asteca/ASteCA/issues/218

- Forgot to add changes to CHANGELOG.md file. See [previous release](https://github.com/asteca/asteca/releases/tag/v0.1.6) for changes.