h2oai/h2o-3

#Recent Changes

##H2O-Dev

###0.1.20.1019 - 1/19/15

####New Features

These features have been added since the last release:

#####UI

#####API

#####Algorithms

#####System

####Enhancements

These changes are to improvements to existing features (which includes changed default values):

#####UI

Allow user to specify (the log of) the number of rows per chunk for a new constant chunk; use this new function in CreateFrame
Make CreateFrame non-blocking, now displays progress bar in Flow
Add row and column count to H2OFrame show method

#####API

Changed 2 to 3 for JSON requests
Rename some more fields per consistency (max_iters changed to max_iterations, _iters to _iterations, _ncats to _categorical_column_count, _centersraw to centers_raw, _avgwithinss to avg_within_ss, _withinmse to within_mse, )
Changed K-Means output parameters (withinmse to within_mse, avgss to avg_ss, avgbetweenss to avg_between_ss)
Remove default field values from DeepLearning parameters schema, since they come from the backing class
Added ip_port field in node json output for Cloud query

#####Algorithms

Minor fix in rapids matrix multiplicaton
Updated sparse chunk to cut off binary search for prefix/suffix zeros
Updated L_BFGS for GLM - warm-start solutions during lambda search, correctly pass current lambda value, added column-based gradient task
Fix model parameters' default values in the metadata
Set default value of k = number of clusters to 1 for K-Means

#####System

####Bug Fixes

These changes are to resolve incorrect software behavior:

#####UI

#####API

#####Algorithms

#####System

Typeahead for folder contents apparently requires trailing "/"
Fix build and instructions for R install.packages() style of installation; Note we only support source installs now
Fixed R test runner h2o package install issue that caused it to fail to install on dev builds