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Burak Yavuz b5347a4664 [SPARK-7248] implemented random number generators for DataFrames 
Adds the functions `rand` (Uniform Dist) and `randn` (Normal Dist.) as expressions to DataFrames.

cc mengxr rxin

Author: Burak Yavuz <brkyvz@gmail.com>

Closes #5819 from brkyvz/df-rng and squashes the following commits:

50d69d4 [Burak Yavuz] add seed for test that failed
4234c3a [Burak Yavuz] fix Rand expression
13cad5c [Burak Yavuz] couple fixes
7d53953 [Burak Yavuz] waiting for hive tests
b453716 [Burak Yavuz] move radn with seed down
03637f0 [Burak Yavuz] fix broken hive func
c5909eb [Burak Yavuz] deleted old implementation of Rand
6d43895 [Burak Yavuz] implemented random generators
2015-04-30 21:56:03 -07:00
..
ml [SPARK-6661] Python type errors should print type, not object 2015-04-20 10:44:09 -07:00
mllib [SPARK-7208] [ML] [PYTHON] Added Matrix, SparseMatrix to __all__ list in linalg.py 2015-04-28 21:15:47 -07:00
sql [SPARK-7248] implemented random number generators for DataFrames 2015-04-30 21:56:03 -07:00
streaming [SPARK-5946] [STREAMING] Add Python API for direct Kafka stream 2015-04-27 23:48:02 -07:00
__init__.py [SPARK-4172] [PySpark] Progress API in Python 2015-02-17 13:36:43 -08:00
accumulators.py [SPARK-6661] Python type errors should print type, not object 2015-04-20 10:44:09 -07:00
broadcast.py [SPARK-4897] [PySpark] Python 3 support 2015-04-16 16:20:57 -07:00
cloudpickle.py [SPARK-4897] [PySpark] Python 3 support 2015-04-16 16:20:57 -07:00
conf.py [SPARK-4897] [PySpark] Python 3 support 2015-04-16 16:20:57 -07:00
context.py [SPARK-6949] [SQL] [PySpark] Support Date/Timestamp in Column expression 2015-04-21 00:08:18 -07:00
daemon.py [SPARK-4897] [PySpark] Python 3 support 2015-04-16 16:20:57 -07:00
files.py [SPARK-3309] [PySpark] Put all public API in __all__ 2014-09-03 11:49:45 -07:00
heapq3.py [SPARK-4897] [PySpark] Python 3 support 2015-04-16 16:20:57 -07:00
java_gateway.py [SPARK-6949] [SQL] [PySpark] Support Date/Timestamp in Column expression 2015-04-21 00:08:18 -07:00
join.py [SPARK-4897] [PySpark] Python 3 support 2015-04-16 16:20:57 -07:00
profiler.py [SPARK-4897] [PySpark] Python 3 support 2015-04-16 16:20:57 -07:00
rdd.py [SPARK-6949] [SQL] [PySpark] Support Date/Timestamp in Column expression 2015-04-21 00:08:18 -07:00
rddsampler.py [SPARK-4897] [PySpark] Python 3 support 2015-04-16 16:20:57 -07:00
resultiterable.py [SPARK-3074] [PySpark] support groupByKey() with single huge key 2015-04-09 17:07:23 -07:00
serializers.py [SPARK-4897] [PySpark] Python 3 support 2015-04-16 16:20:57 -07:00
shell.py [SPARK-4897] [PySpark] Python 3 support 2015-04-16 16:20:57 -07:00
shuffle.py [SPARK-6953] [PySpark] speed up python tests 2015-04-21 17:49:55 -07:00
statcounter.py [SPARK-4897] [PySpark] Python 3 support 2015-04-16 16:20:57 -07:00
status.py [SPARK-4172] [PySpark] Progress API in Python 2015-02-17 13:36:43 -08:00
storagelevel.py [SPARK-3417] Use new-style classes in PySpark 2014-09-08 15:45:36 -07:00
tests.py [SPARK-6953] [PySpark] speed up python tests 2015-04-21 17:49:55 -07:00
traceback_utils.py [SPARK-1087] Move python traceback utilities into new traceback_utils.py file. 2014-09-15 19:28:17 -07:00
worker.py [SPARK-4897] [PySpark] Python 3 support 2015-04-16 16:20:57 -07:00