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// Copyright 2020 Google LLC
//
// Licensed 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
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
'use strict'
;
// sample-metadata:
// title: Create Model
// description: Creates a model in a dataset.
// usage: node createModel.js <DATASET_ID> <MODEL_ID>
function
main
(
datasetId
=
'my_dataset'
,
modelId
=
'my_model'
)
{
// [START bigquery_create_model]
// Import the Google Cloud client library
const
{
BigQuery
}
=
require
(
'@google-cloud/bigquery'
)
;
const
bigquery
=
new
BigQuery
(
)
;
async
function
createModel
(
)
{
// Creates a model named "my_model" in "my_dataset".
/**
* TODO(developer): Uncomment the following lines before running the sample
*/
// const datasetId = "my_dataset";
// const modelId = "my_model";
const
query
=
`CREATE OR REPLACE MODEL \`
${
datasetId
}
.
${
modelId
}
\`
OPTIONS(model_type='logistic_reg') AS
SELECT
IF(totals.transactions IS NULL, 0, 1) AS label,
IFNULL(device.operatingSystem, "") AS os,
device.isMobile AS is_mobile,
IFNULL(geoNetwork.country, "") AS country,
IFNULL(totals.pageviews, 0) AS pageviews
FROM
\`bigquery-public-data.google_analytics_sample.ga_sessions_*\`
WHERE
_TABLE_SUFFIX BETWEEN '20160801' AND '20170631'
LIMIT 100000;`
;
const
queryOptions
=
{
query
:
query
,
}
;
// Run query to create a model
const
[
job
]
=
await
bigquery
.
createQueryJob
(
queryOptions
)
;
// Wait for the query to finish
await
job
.
getQueryResults
(
)
;
console
.
log
(
`Model
${
modelId
}
created.`
)
;
}
createModel
(
)
;
// [END bigquery_create_model]
}
main
(
...
process
.
argv
.
slice
(
2
)
)
;
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