myui

select feature_hashing(array("userid#4505:3.3","movieid#2331:4.999", "movieid#2331"));

["1828616:3.3","6238429:4.999","6238429"]

SELECT
  features_hashing(
 array_concat(

myui

-- fitting
select
  label, word, avg(lambda) as lambda
from (
  select
    train_lda(feature, "-topic 2 -iter 20") 
      as (label, word, lambda)
  from 
    data
) t1

myui

WITH data as (
  select 25.7724247 as lat, -80.1854473 as lon, 10 as zoom
  union all
  select 25.7724247 as lat, -80.1854473 as lon, 15 as zoom
)
select 
   map_url(lat,lon,zoom) as osm_url,
   map_url(lat,lon,zoom,'-type googlemaps') as gmap_url,
 tile(lat,lon,zoom) as tile_number

myui

use news20;

set hivemall.smile.nprocs=4;

drop table rf_model;
create table rf_model
as
select train_randomforest_classifier(features,convert_label(label),'-trees 50 -seed 71') 
from train;

myui

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0

myui

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0

myui

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0

myui

--------------------
Hivemall

Hivemall is a library for machine learning implemented as Hive
UDFs/UDAFs/UDTFs.

Hivemall has been incubating since 2016-09-13.

Three most important issues to address in the move towards graduation:

myui

create table page (
  docid int,
  contents string
);

INSERT OVERWRITE TABLE page_exploded
select
  d.docid, 
  normalize_unicode(t.word) as word
from

myui

WITH term_frequency as (
  select
    docid, 
    word,
    freq
  from (
    select
      docid,
      tf(word) as word2freq
    from