…e#14346)

* base class for estimator and eventhandler

* add license

* add event handlers

* fix pylint

* improve arg check

* fix pylint

* add unit tests

apache#14464)

* Fixed issue where the estimator was printing beyond the dataset size for the last batch

* Added comments

* Nudge to CI

…API (apache#14442)

* added estimator unittests

* add more tests for estimator

* added validation logic

* added error handlers, unittests

* improve val stats

* fix pylint

* fix pylint

* update unit test

* fix tests

* fix tests

* updated metrics, val logic

* trigger ci

* trigger ci

* update metric, batch_fn error handler

* update context logic, add default metric

* add train history

* update history

* update test

* avoid calling empty methods

* remove train history object

* fix pylint

* add unit test

* fix test

* update categorize handlers

…#14547)

* Added RNN integration test for fit() API

* Addressed review comments: change in JenkinFile, tmp directory, ctx with condense if/else, renamed imports

* CPU test doesn't require nvidiadocker container

* Modified the structure by removing the redundant code

…4405)

* added cnn intg tests for fit api

* updated cnn intg tests

* added functions for nightly test

* updated runtime_function

* updated intg tests

* updated init, datapath, refs

* added validation data

* update cpu test

* refactor code

* updated context