# Log of breaking changes in 0.2 beta

**URL:** <https://discuss.hail.is/t/log-of-breaking-changes-in-0-2-beta/454>\
**Category:** Updates\
**Created:** [April 5, 2018, 3:42pm UTC](https://discuss.hail.is/t/log-of-breaking-changes-in-0-2-beta/454 "2018-04-05T15:42:35Z")\
**Posts on this page:** 1\
**Showing post:** 13

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**Author:** ![jbloom](https://yyz2.discourse-cdn.com/flex036/user_avatar/discuss.hail.is/jbloom/32/109_2.png) [@jbloom](https://discuss.hail.is/u/jbloom)\
**Post date:** [July 31, 2018, 1:09pm UTC](https://discuss.hail.is/t/log-of-breaking-changes-in-0-2-beta/454/13 "2018-07-31T13:09:51Z")

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see:

> [@\[Breaking Change\] Rename of methods/fields: ctt, chisq, hardy\_weinberg, hardy\_weinberg\_p, variant\_qc, transition\_disequilibrium\_test](http://discuss.hail.is/t/breaking-change-rename-of-methods-fields-ctt-chisq-hardy-weinberg-hardy-weinberg-p-variant-qc-transition-disequilibrium-test/590):
>
> For clarity and consistency, we’ve renamed the following: Functions: ctt =\> [contingency\_table\_test](https://hail.is/docs/devel/functions/stats.html#hail.expr.functions.contingency_table_test) chisq =\> [chi\_squared\_test](https://hail.is/docs/devel/functions/stats.html#hail.expr.functions.chi_squared_test) hardy\_weinberg =\> [hardy\_weinberg\_test](https://hail.is/docs/devel/functions/stats.html#hail.expr.functions.hardy_weinberg_test) Aggregator: hardy\_weinberg\_p =\> [hardy\_weinberg\_test](https://hail.is/docs/devel/aggregators.html#hail.expr.aggregators.hardy_weinberg_test) Fields in [hardy\_weinberg\_test](https://hail.is/docs/devel/functions/stats.html#hail.expr.functions.hardy_weinberg_test): p\_hwe =\> p\_value r\_expected\_het\_freq =\> het\_freq\_hwe (the expected frequency of het under HWE) Fields in [variant\_qc](https://hail.is/docs/devel/methods/genetics.html#hail.methods.variant_qc) result: p\_hwe =\> p\_value\_hwe r\_expected\_het\_freq =\> het\_freq\_hwe Field in [transition\_disequilibrium\_test](https://hail.is/docs/devel/methods/genetics.html#hail.methods.transmission_disequilibrium_test) result: chi2 =\> chi…

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