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Author SHA1 Message Date
Sean Owen 754f820035 [SPARK-26918][DOCS] All .md should have ASF license header 
## What changes were proposed in this pull request?

Add AL2 license to metadata of all .md files.
This seemed to be the tidiest way as it will get ignored by .md renderers and other tools. Attempts to write them as markdown comments revealed that there is no such standard thing.

## How was this patch tested?

Doc build

Closes #24243 from srowen/SPARK-26918.

Authored-by: Sean Owen <sean.owen@databricks.com>
Signed-off-by: Sean Owen <sean.owen@databricks.com>
 2019-03-30 19:49:45 -05:00
WeichenXu 59c3c233f4 [SPARK-23254][ML] Add user guide entry and example for DataFrame multivariate summary 
## What changes were proposed in this pull request?

Add user guide and scala/java/python examples for `ml.stat.Summarizer`

## How was this patch tested?

Doc generated snapshot:

![image](https://user-images.githubusercontent.com/19235986/38987108-45646044-4401-11e8-9ba8-ae94ba96cbf9.png)
![image](https://user-images.githubusercontent.com/19235986/38987096-36dcc73c-4401-11e8-87f9-5b91e7f9e27b.png)
![image](https://user-images.githubusercontent.com/19235986/38987088-2d1c1eaa-4401-11e8-80b5-8c40d529a120.png)
![image](https://user-images.githubusercontent.com/19235986/38987077-22ce8be0-4401-11e8-8199-c3a4d8d23201.png)

Author: WeichenXu <weichen.xu@databricks.com>

Closes #20446 from WeichenXu123/summ_guide.
 2018-07-11 13:56:09 -05:00
Yanbo Liang 697a5e5517 [SPARK-20505][ML] Add docs and examples for ml.stat.Correlation and ml.stat.ChiSquareTest. 
## What changes were proposed in this pull request?
Add docs and examples for ```ml.stat.Correlation``` and ```ml.stat.ChiSquareTest```.

## How was this patch tested?
Generate docs and run examples manually, successfully.

Author: Yanbo Liang <ybliang8@gmail.com>

Closes #17994 from yanboliang/spark-20505.
 2017-05-18 11:54:09 +08:00