[SPARK-12247][ML][DOC] Documentation for spark.ml's ALS and collaborative filtering in general

This documents the implementation of ALS in `spark.ml` with example code in scala, java and python.

Author: BenFradet <benjamin.fradet@gmail.com>

Closes #10411 from BenFradet/SPARK-12247.

1 files changed, 0 insertions, 100 deletions

diff --git a/data/mllib/als/sample_movielens_movies.txt b/data/mllib/als/sample_movielens_movies.txt
deleted file mode 100644
index 934a025384..0000000000
--- a/data/mllib/als/sample_movielens_movies.txt
+++ /dev/null
@@ -1,100 +0,0 @@
-0::Movie 0::Romance|Comedy
-1::Movie 1::Action|Anime
-2::Movie 2::Romance|Thriller
-3::Movie 3::Action|Romance
-4::Movie 4::Anime|Comedy
-5::Movie 5::Action|Action
-6::Movie 6::Action|Comedy
-7::Movie 7::Anime|Comedy
-8::Movie 8::Comedy|Action
-9::Movie 9::Anime|Thriller
-10::Movie 10::Action|Anime
-11::Movie 11::Action|Anime
-12::Movie 12::Anime|Comedy
-13::Movie 13::Thriller|Action
-14::Movie 14::Anime|Comedy
-15::Movie 15::Comedy|Thriller
-16::Movie 16::Anime|Romance
-17::Movie 17::Thriller|Action
-18::Movie 18::Action|Comedy
-19::Movie 19::Anime|Romance
-20::Movie 20::Action|Anime
-21::Movie 21::Romance|Thriller
-22::Movie 22::Romance|Romance
-23::Movie 23::Comedy|Comedy
-24::Movie 24::Anime|Action
-25::Movie 25::Comedy|Comedy
-26::Movie 26::Anime|Romance
-27::Movie 27::Anime|Anime
-28::Movie 28::Thriller|Anime
-29::Movie 29::Anime|Romance
-30::Movie 30::Thriller|Romance
-31::Movie 31::Thriller|Romance
-32::Movie 32::Comedy|Anime
-33::Movie 33::Comedy|Comedy
-34::Movie 34::Anime|Anime
-35::Movie 35::Action|Thriller
-36::Movie 36::Anime|Romance
-37::Movie 37::Romance|Anime
-38::Movie 38::Thriller|Romance
-39::Movie 39::Romance|Comedy
-40::Movie 40::Action|Anime
-41::Movie 41::Comedy|Thriller
-42::Movie 42::Comedy|Action
-43::Movie 43::Thriller|Anime
-44::Movie 44::Anime|Action
-45::Movie 45::Comedy|Romance
-46::Movie 46::Comedy|Action
-47::Movie 47::Romance|Comedy
-48::Movie 48::Action|Comedy
-49::Movie 49::Romance|Romance
-50::Movie 50::Comedy|Romance
-51::Movie 51::Action|Action
-52::Movie 52::Thriller|Action
-53::Movie 53::Action|Action
-54::Movie 54::Romance|Thriller
-55::Movie 55::Anime|Romance
-56::Movie 56::Comedy|Action
-57::Movie 57::Action|Anime
-58::Movie 58::Thriller|Romance
-59::Movie 59::Thriller|Comedy
-60::Movie 60::Anime|Comedy
-61::Movie 61::Comedy|Action
-62::Movie 62::Comedy|Romance
-63::Movie 63::Romance|Thriller
-64::Movie 64::Romance|Action
-65::Movie 65::Anime|Romance
-66::Movie 66::Comedy|Action
-67::Movie 67::Thriller|Anime
-68::Movie 68::Thriller|Romance
-69::Movie 69::Action|Comedy
-70::Movie 70::Thriller|Thriller
-71::Movie 71::Action|Comedy
-72::Movie 72::Thriller|Romance
-73::Movie 73::Comedy|Action
-74::Movie 74::Action|Action
-75::Movie 75::Action|Action
-76::Movie 76::Comedy|Comedy
-77::Movie 77::Comedy|Comedy
-78::Movie 78::Comedy|Comedy
-79::Movie 79::Thriller|Thriller
-80::Movie 80::Comedy|Anime
-81::Movie 81::Comedy|Anime
-82::Movie 82::Romance|Anime
-83::Movie 83::Comedy|Thriller
-84::Movie 84::Anime|Action
-85::Movie 85::Thriller|Anime
-86::Movie 86::Romance|Anime
-87::Movie 87::Thriller|Thriller
-88::Movie 88::Romance|Thriller
-89::Movie 89::Action|Anime
-90::Movie 90::Anime|Romance
-91::Movie 91::Anime|Thriller
-92::Movie 92::Action|Comedy
-93::Movie 93::Romance|Thriller
-94::Movie 94::Thriller|Comedy
-95::Movie 95::Action|Action
-96::Movie 96::Thriller|Romance
-97::Movie 97::Thriller|Thriller
-98::Movie 98::Thriller|Comedy
-99::Movie 99::Thriller|Romance