### What changes were proposed in this pull request? Add docs and examples for ANOVASelector and FValueSelector ### Why are the changes needed? Complete the implementation of ANOVASelector and FValueSelector ### Does this PR introduce _any_ user-facing change? Yes <img width="850" alt="Screen Shot 2020-05-13 at 5 17 44 PM" src="https://user-images.githubusercontent.com/13592258/81878703-b4f94480-953d-11ea-9166-da3c64852b90.png"> <img width="850" alt="Screen Shot 2020-05-13 at 5 05 15 PM" src="https://user-images.githubusercontent.com/13592258/81878600-6055c980-953d-11ea-8b24-09c31647139b.png"> <img width="850" alt="Screen Shot 2020-05-13 at 5 06 06 PM" src="https://user-images.githubusercontent.com/13592258/81878603-621f8d00-953d-11ea-9447-39913ccc067d.png"> <img width="850" alt="Screen Shot 2020-05-13 at 5 06 21 PM" src="https://user-images.githubusercontent.com/13592258/81878606-65b31400-953d-11ea-9d76-51859266d1a8.png"> <img width="850" alt="Screen Shot 2020-05-13 at 5 07 10 PM" src="https://user-images.githubusercontent.com/13592258/81878611-69df3180-953d-11ea-8618-23a2a6cfd730.png"> <img width="850" alt="Screen Shot 2020-05-13 at 5 07 33 PM" src="https://user-images.githubusercontent.com/13592258/81878620-6cda2200-953d-11ea-9c46-da763328364e.png"> <img width="850" alt="Screen Shot 2020-05-13 at 5 07 47 PM" src="https://user-images.githubusercontent.com/13592258/81878625-6f3c7c00-953d-11ea-9d11-2281b33a0bd8.png"> <img width="851" alt="Screen Shot 2020-05-13 at 5 19 35 PM" src="https://user-images.githubusercontent.com/13592258/81878882-13bebe00-953e-11ea-9776-288bac97d93f.png"> <img width="850" alt="Screen Shot 2020-05-13 at 5 08 42 PM" src="https://user-images.githubusercontent.com/13592258/81878637-76638a00-953d-11ea-94b0-dc9bc85ae2b7.png"> <img width="850" alt="Screen Shot 2020-05-13 at 5 09 01 PM" src="https://user-images.githubusercontent.com/13592258/81878640-79f71100-953d-11ea-9a66-b27f9482fbd3.png"> <img width="850" alt="Screen Shot 2020-05-13 at 5 09 50 PM" src="https://user-images.githubusercontent.com/13592258/81878644-7cf20180-953d-11ea-9142-9658c8e90986.png"> <img width="851" alt="Screen Shot 2020-05-13 at 5 10 06 PM" src="https://user-images.githubusercontent.com/13592258/81878653-81b6b580-953d-11ea-9dc2-8015095cf569.png"> <img width="850" alt="Screen Shot 2020-05-13 at 5 10 59 PM" src="https://user-images.githubusercontent.com/13592258/81878658-854a3c80-953d-11ea-8dc9-217aa749fd00.png"> <img width="850" alt="Screen Shot 2020-05-13 at 5 11 27 PM" src="https://user-images.githubusercontent.com/13592258/81878659-87ac9680-953d-11ea-8c6b-74ab76748e4a.png"> <img width="850" alt="Screen Shot 2020-05-13 at 5 14 54 PM" src="https://user-images.githubusercontent.com/13592258/81878664-8b401d80-953d-11ea-9ee1-05f6677e263c.png"> <img width="850" alt="Screen Shot 2020-05-13 at 5 15 17 PM" src="https://user-images.githubusercontent.com/13592258/81878669-8da27780-953d-11ea-8216-77eb8bb7e091.png"> ### How was this patch tested? Manually build and check Closes #28524 from huaxingao/examples. Authored-by: Huaxin Gao <huaxing@us.ibm.com> Signed-off-by: Sean Owen <srowen@gmail.com>
