|
| 1 | +#Noether Release (2.8.4.1) - 1/30/15 |
| 2 | + |
| 3 | +####Enhancements |
| 4 | + |
| 5 | +These changes are improvements to existing features (which includes changed default values): |
| 6 | + |
| 7 | +#####UI |
| 8 | + |
| 9 | +- Java POJO scoring implemented for unsupervised models (especially DL Autoencoder) [(PUB-1118)](https://0xdata.atlassian.net/browse/PUB-1118) |
| 10 | +- Added perfbar to Cluster Status [(PUB-296)](https://0xdata.atlassian.net/browse/PUB-296) |
| 11 | +- Raised default stack trace depth for Profiler to 10 [(github)](https://github.com/h2oai/h2o/commit/08604c6d9663cbf0c9d955fff137faf68048eb7d) |
| 12 | +- Reduced linewidth to <90 chars. [(github)](https://github.com/h2oai/h2o/commit/b91aad3bcb4db4428d5e5600a3d17040cf7167fcO) |
| 13 | +- Added warning and listed remedies if the input layer is bigger than 100k neurons [(github)](https://github.com/h2oai/h2o/commit/ae78448b9dabb4dd10ad099cdae7abd5d73c65dd) |
| 14 | +- Added license info [(github)](https://github.com/h2oai/h2o/commit/8f51b83f671fa63ef4e2118836a8f20648c0b282) |
| 15 | + |
| 16 | +#####API |
| 17 | +- Added extra options to `CreateFrame` to make (potentially sparse) binary columns [(github)](https://github.com/h2oai/h2o/commit/7e0d6509fde1733fcfe17f92f5c65abc8597fa8a) |
| 18 | +- Ported changes to `createFrame` to R [(github)](https://github.com/h2oai/h2o/commit/f5b2a4d60076dff61414e8dbc246780ade1132ad) |
| 19 | +- Added chunk summary after `CreateFrame` [(github)](https://github.com/h2oai/h2o/commit/6e83e39ca6797e03db97ce925afe6ad71bcba56f) |
| 20 | +- Added `makeModel` call to R/H2O to allow for hand-made glm models with efficient scoring [(github)](https://github.com/h2oai/h2o/commit/4603531579f9e890df1d0fdaf5b57de3719c5e8e) |
| 21 | +- Raised default value of `-data_max_factor_levels` from 65k to 1M [(github)](https://github.com/h2oai/h2o/commit/452392e17a08489103b2063955761702e637d905) |
| 22 | +- Updated `h2o.createFrame` with optional response column [(github)](https://github.com/h2oai/h2o/commit/372bb4a94a1b404328c4c50ad780a480bf49efa8) |
| 23 | +- Added `many_cols` and `chunk_bytes` to h2o.init [(github)](https://github.com/h2oai/h2o/commit/5edb09f8e74544847f063f17a2ec654803aabada) |
| 24 | +- Added `data_max_factor_levels` to h2o.init() in R [(github)](https://github.com/h2oai/h2o/commit/f7a7defc3411d5e16cd8d9ab6690119c5b94a363) |
| 25 | +- Added `-many_cols` (same as `-chunk_bits` 24), renamed `-chunk_bits` to `-chunk_bytes` [(github)](https://github.com/h2oai/h2o/commit/524bef3102e43a2d09ec337f2c6ebf5e75ebab38) |
| 26 | +- Added glm `disable_line_search` flag to R [(github)](https://github.com/h2oai/h2o/commit/e1211d487f15885f76c1bf9a56c1f37180f8a0e7) |
| 27 | +- Added (hidden) explicit `disable_line_search` flag to allow user to disable line search [(github)](https://github.com/h2oai/h2o/commit/7b346d76f2b474656d2c72bf7c37a8d778acbdac) |
| 28 | +- Added `-data_max_factor_levels` and `-chunk_bits` to Hadoop command line [(github)](https://github.com/h2oai/h2o/commit/e0cb1a8fdfd251d8c27a14dfc295ac24af1b7098) |
| 29 | +- Made chunk size an argument. Default is `-chunk_bits` 24 -> 16MB [(github)](https://github.com/h2oai/h2o/commit/014dda94e2e055dff42e99f9e03897da08d51080) |
| 30 | +- Updated parameters for py API for createFrame [(github)](https://github.com/h2oai/h2o/commit/53ab3196983ffae0df0f73679c0bdbe53052c357) |
| 31 | +- Updated create frame arguments [(github)](https://github.com/h2oai/h2o/commit/ddf0da8abddeba5a1da5d71a1490d0deb465f8b8) |
| 32 | +- Added `runifSplit` to Frame [(github)](https://github.com/h2oai/h2o/commit/8a3b7d5cfa02ed32ea454293b79677bb66cda8fa) |
| 33 | +- Added support for `holdout_fraction` to SRF/DRF/GBM/DL in R [(github)](https://github.com/h2oai/h2o/commit/47a491070bd111c1904eca5a0f3dbf00b8f6e890) |
| 34 | +- Backported rbind v2 from h2o-dev [(github)](https://github.com/h2oai/h2o/commit/f0ff6f027e4aa9e3faebcd5f192bd8781d47c5f1) |
| 35 | +- Added `frozenType()` override to speed up histogram deserialization [(github)](https://github.com/h2oai/h2o/commit/b19d95774d008990441d27bcbc88df4be4eb0e79) |
| 36 | + |
| 37 | +#####Algorithms |
| 38 | + |
| 39 | +- Automatically call SplitFrame from the ModelBuilder page [(PUB-1103)](https://0xdata.atlassian.net/browse/PUB-1103) |
| 40 | +- PUB-1103: Added option to automatically call SplitFrame from model builder age if holdout_fraction is > 0 [(github)](https://github.com/h2oai/h2o/commit/e054707a2c627944d8441a6f5562bf2ec216a459) |
| 41 | +- Increased epochs to 30 and increased tolerance to .4 [(github)](https://github.com/h2oai/h2o/commit/8ceb7acf88fbe059f5f6034b297aeb74de9f6454) |
| 42 | +- Enabled variable importance by default [(github)](https://github.com/h2oai/h2o/commit/de5457971a956318c52e6c15b06b95932e3d4d30) |
| 43 | +- Changed GLM printout to avoid errors with modified glm models [(github)](https://github.com/h2oai/h2o/commit/13d4c73887976e4ed2fdc25e249a86e4e9c63f11) |
| 44 | +- Added survfit class designation to h2o.coxph survfit output [(github)](https://github.com/h2oai/h2o/commit/b504526916179aa4265f87767a548d7978ea7ccb) |
| 45 | +- Changed predict method for CoxPH to return the risk as opposed to the cumulative hazard and associated standard error [(github)](https://github.com/h2oai/h2o/commit/fa8af63a02b5ba9a0bbe1df5f1e1e1cea955fcd2) |
| 46 | +- Added N-fold CV, use GBM for MNIST [(github)](https://github.com/h2oai/h2o/commit/60a1957c5f4a0734a1d179b93c77bf5de323fde0) |
| 47 | +- Added grid parallelism parameter to h2o.gbm [(github)](https://github.com/h2oai/h2o/commit/6e9a3577351e606a6da5543580ddca7ff864622c) |
| 48 | +- Updated HDFS deletion command, and run GBM before DRF [(github)](https://github.com/h2oai/h2o/commit/28c499084019bc7566826a2b933c3720091b12df) |
| 49 | +- Added script for running GLM/RF/GBM on 15M rows, 2.2k cols [(github)](https://github.com/h2oai/h2o/commit/b01ea0d5b61d7687b0eae12f15fed3b54689a2b1) |
| 50 | +- Updated R docs for SpeeDRF [(github)](https://github.com/h2oai/h2o/commit/e79c9589efad3d930dc05a69a34aeb4dc4e16db8) |
| 51 | +- Added `class_sampling_factors` to GBM/DRF [(github)](https://github.com/h2oai/h2o/commit/cdd4cad0c748d19874c057f4a9d9aad3bc167588) |
| 52 | + |
| 53 | +#####System |
| 54 | + |
| 55 | +- Added -extraJavaOpts option to the Hadoop H2O Driver [(github)](https://github.com/h2oai/h2o/commit/77bf6728a791fe4a7ad517ef1a88df9c0a755759) |
| 56 | +- Background the deletion of ICE directory at startup [(github)](https://github.com/h2oai/h2o/commit/814c82217ff3c02cf72523fe7756e7fe1d163cd7) |
| 57 | +- Added Hadoop options (as baseline) [(github)](https://github.com/h2oai/h2o/commit/e8c97e32f7ca1f5e3f6b1c295d1c77275db84e22) |
| 58 | +- Added Hadoop cut and paste example for each distribution [(github)](https://github.com/h2oai/h2o/commit/8e224483df4db29e342abf35fe6f008d0affa2e4) |
| 59 | +- Added R script for Next.ML [(github)](https://github.com/h2oai/h2o/commit/69c1d614d3a37e4428b516f2121d19caa3ded922) |
| 60 | +- Use output of `boot2docker ip` instead of localhost [(github)](https://github.com/h2oai/h2o/commit/9687cd0b443e4ac23a772535bed2bd16e9bf25b7) |
| 61 | + |
| 62 | + |
| 63 | +####Bug Fixes |
| 64 | + |
| 65 | +These changes are to resolve incorrect software behavior: |
| 66 | + |
| 67 | +#####UI |
| 68 | +- Fixed a bug in an example due to createFrame change [(github)](https://github.com/h2oai/h2o/commit/afc93a9734ea22efa9afcec46bbc7e26b2faee98) |
| 69 | +- Import file hangs at 99% for past 45 mins [(HEX-2003)](https://0xdata.atlassian.net/browse/HEX-2003) |
| 70 | + |
| 71 | +#####API |
| 72 | +- as.h2o returns NA when character field has many unique values [(PUB-1108)](https://0xdata.atlassian.net/browse/PUB-1108) |
| 73 | +- Fixed R for createFrame updates [(github)](https://github.com/h2oai/h2o/commit/f52f6a4679a2f5cacc0825c271f3c899cca43c03) |
| 74 | + |
| 75 | +#####Algorithms |
| 76 | +- Removed restrictions on glm upper/lower bounds to be non-negative/non-positive. The only restriction is lb <= ub [(github)](https://github.com/h2oai/h2o/commit/5980d62c436922e6c3c73cbfa0b83c1bcebff7d8) |
| 77 | +- Fixed PUB-1118 - AutoEncoder POJO scoring. Also fixed a bug in initializing the activation layer for categoricals. [(github)](https://github.com/h2oai/h2o/commit/6505a1ffc0a99c211a6e14807ff280058ab9c0e7) |
| 78 | +- Variable Importance for DRF slow for large numbers of columns [(PUB-1101)](https://0xdata.atlassian.net/browse/PUB-1101) |
| 79 | +- Fix PUB-1101 by using GBM's variable importance method for DRF [(github)](https://github.com/h2oai/h2o/commit/0026200d4ba1e76f759cb4df5743555855b92c42) |
| 80 | +- Bugfix for case where N is not divisible by num CV folds [(github)](https://github.com/h2oai/h2o/commit/34e271760b70fe6f384e106d84f18c7f0adb8210) |
| 81 | +- Fixed typo in parameter validation [(github)](https://github.com/h2oai/h2o/commit/f6c6996594894c5ecdcd2ad112953b92844a3848) |
| 82 | +- Don't shuffle intra-chunk after stratified sampling [(github)](https://github.com/h2oai/h2o/commit/f0ff6f027e4aa9e3faebcd5f192bd8781d47c5f1) |
| 83 | +- Fixed intercept adjustment by prior probability in logistic regression [(github)](https://github.com/h2oai/h2o/commit/cdd8a6b54a35e83a5f9aebb419ada476593ab144) |
| 84 | +- DL: DL build model running for past 12 hrs doesn't complete [(HEX-1997)](https://0xdata.atlassian.net/browse/HEX-1997) |
| 85 | +- GLM fails simpleCheckGLM in multinode when cross-validation is on [(HEX-1867)](https://0xdata.atlassian.net/browse/HEX-1867) |
| 86 | + |
| 87 | +#####System |
| 88 | + |
| 89 | +- Parse creates too many keys for large numbers of columns [(PUB-1102)](https://0xdata.atlassian.net/browse/PUB-1102) |
| 90 | +- Don't allow pure number enums [(github)](https://github.com/h2oai/h2o/commit/fb95e198db3a6186ef5ed408bd31f29dadae60a5) |
| 91 | +- Fixed argument order [(github)](https://github.com/h2oai/h2o/commit/2a174063ca5ffdc4bd117a7206e45d89fa56317b) |
| 92 | +- Excluded factors that contain lower-case UUIDs that look like they are in scientific notation with exponent: `^\d+e\d+$`[(github)](https://github.com/h2oai/h2o/commit/7fc6f1c23f254156a60ce343df4ca6b5b73f3156) |
| 93 | +- Prevented deadlock during startup by adding UniqueFrameId to TypeMap [(github)](https://github.com/h2oai/h2o/commit/7e6fb375cd1c45c5a771b79add73f697409a312a) |
| 94 | +- Fixed sparse chunk to avoid binary search for prefix/suffix zeros [(github)](https://github.com/h2oai/h2o/commit/48d4dfa9ad12461970c7d3c2f75907a27cb7d6f0) |
| 95 | + |
| 96 | + |
| 97 | + |
1 | 98 | Release 2.6.1.1 (Lambert build 1)
|
2 | 99 | ==================================
|
3 | 100 |
|
|
0 commit comments