Use SPSS and batch deployment with DB2 to predict customer churn with ibm-watson-machine-learning¶

This notebook contains steps to deploy a sample SPSS stream and start batch scoring new data.

Some familiarity with bash is helpful. This notebook uses Python 3.8.

You will use a data set, Telco Customer Churn, which details anonymous customer data from a telecommunication company. Use the details of this data set to predict customer churn. This is critical to business, as it's easier to retain existing customers than acquire new ones.

Learning goals¶

The learning goals of this notebook are:

  • Loading a CSV file into Db2 on Cloud
  • Working with the Watson Machine Learning instance
  • Batch deployment of an SPSS model
  • Scoring data using deployed model and a Db2 connection

Contents¶

This notebook contains the following parts:

  1. Setup
  2. Model upload
  3. Create db2 connection
  4. Web service creation
  5. Scoring
  6. Clean up
  7. Summary and next steps

1. Set up the environment¶

Before you use the sample code in this notebook, create a Watson Machine Learning (WML) Service instance (a free plan is offered and information about how to create the instance can be found here).

Connection to WML¶

Authenticate the Watson Machine Learning service on IBM Cloud. You need to provide platform api_key and instance location.

You can use IBM Cloud CLI to retrieve platform API Key and instance location.

API Key can be generated in the following way:

ibmcloud login
ibmcloud iam api-key-create API_KEY_NAME

In result, get the value of api_key from the output.

Location of your WML instance can be retrieved in the following way:

ibmcloud login --apikey API_KEY -a https://cloud.ibm.com
ibmcloud resource service-instance WML_INSTANCE_NAME

In result, get the value of location from the output.

Tip: You can generate your Cloud API key by going to the Users section of the Cloud console. From that page, click your name, scroll down to the API Keys section, and click Create an IBM Cloud API key. Give your key a name and click Create, then copy the created key and paste it below.

You can also get the service-specific url by going to the Endpoint URLs section of the Watson Machine Learning docs. You can check your instance location in your Watson Machine Learning (WML) Service instance details.

You can also get service specific apikey by going to the Service IDs section of the Cloud Console. From that page, click Create, then copy the created key and paste it below.

Action: Enter your api_key and location in the following cell.

In [ ]:
api_key = 'PASTE YOUR PLATFORM API KEY HERE'
location = 'PASTE YOUR INSTANCE LOCATION HERE'
In [2]:
wml_credentials = {
    "apikey": api_key,
    "url": 'https://' + location + '.ml.cloud.ibm.com'
}

Install and import the ibm-watson-machine-learning package¶

Note: ibm-watson-machine-learning documentation can be found here.

In [ ]:
!pip install -U ibm-watson-machine-learning
In [2]:
from ibm_watson_machine_learning import APIClient

client = APIClient(wml_credentials)

Working with spaces¶

First, create a space that will be used for your work. If you do not have a space, you can use Deployment Spaces Dashboard to create one.

  • Click New Deployment Space
  • Create an empty space
  • Select Cloud Object Storage
  • Select Watson Machine Learning instance and press Create
  • Copy space_id and paste it below

Tip: You can also use SDK to prepare the space for your work. More information can be found here.

Action: Assign space ID below

In [3]:
space_id = 'PASTE YOUR SPACE ID HERE'

You can use list method to print all existing spaces.

In [ ]:
client.spaces.list(limit=10)

To be able to interact with all resources available in Watson Machine Learning, you need to set space which you will be using.

In [4]:
client.set.default_space(space_id)
Out[4]:
'SUCCESS'

2. Upload model¶

In this section you will learn how to upload the model to the Cloud.

Action: Download sample SPSS model from git project using wget.

In [ ]:
import os
from wget import download

sample_dir = 'spss_sample_model'
if not os.path.isdir(sample_dir):
    os.mkdir(sample_dir)

filename=os.path.join(sample_dir, 'db2-customer-satisfaction-prediction.str')
if not os.path.isfile(filename):
    filename = download('https://github.com/IBM/watson-machine-learning-samples/raw/master/cloud/models/spss/db2_customer_satisfaction/model/db2-customer-satisfaction-prediction.str',\
                             out=sample_dir)
print(filename)

Store SPSS sample model in your Watson Machine Learning instance.

In [ ]:
client.software_specifications.list()
In [6]:
sw_spec_uid = client.software_specifications.get_uid_by_name("spss-modeler_18.2")

model_meta_props = {
    client.repository.ModelMetaNames.NAME: "SPSS customer satisfaction model",
    client.repository.ModelMetaNames.TYPE: "spss-modeler_18.2",
    client.repository.ModelMetaNames.SOFTWARE_SPEC_UID: sw_spec_uid
}

model_details = client.repository.store_model(filename, model_meta_props)

Note: You can see that model is successfully stored in Watson Machine Learning Service.

In [ ]:
client.repository.list_models()

3. Create a Db2 connection¶

You can use commands below to create a db2 connection and required data assets to perform batch scoring.

Create tables in Db2 on Cloud¶

  • Download the inputScore.csv and inputScore2.csv file from the GitHub repository
  • Click the Open the console to get started with Db2 on Cloud icon.
  • Select the Load Data and Desktop load type.
  • Drag and drop the previously downloaded file and click Next.
  • Set table name to CUSTOMER and proceed with creating.

Create a connection¶

In [ ]:
schema_name = 'PUT YOUR SCHEMA NAME HERE'
In [ ]:
db_name = 'db2'
input_table_1 = 'CUSTOMER'
input_table_2 = 'CUSTOMER_2'
output_table = 'OUTPUT'
In [ ]:
db_credentials = {
      "db": "***",
      "host": "***",
      "https_url": "***",
      "password": "***",
      "port": "***",
      "username": "***"
}
In [8]:
db2_data_source_type_id = client.connections.get_datasource_type_uid_by_name(db_name)

db2_conn_meta_props= {
    client.connections.ConfigurationMetaNames.NAME: "conn_db2",
    client.connections.ConfigurationMetaNames.DATASOURCE_TYPE: db2_data_source_type_id,
    client.connections.ConfigurationMetaNames.DESCRIPTION: "Connection using DB2",
    client.connections.ConfigurationMetaNames.PROPERTIES: {
        "database": db_credentials["db"],
        "port": db_credentials["port"],          
        "host": db_credentials["host"],
        "password": db_credentials["password"],
        "username": db_credentials["username"]
    }
}

db2_conn_details = client.connections.create(meta_props=db2_conn_meta_props)
Creating connections...
SUCCESS
In [9]:
db2_conn_id = client.connections.get_uid(db2_conn_details)

Create input connection data asset¶

In [10]:
db2_asset_meta_props={
            client.data_assets.ConfigurationMetaNames.NAME: "INPUT_TABLE_1",
            client.data_assets.ConfigurationMetaNames.CONNECTION_ID: db2_conn_id,
            client.data_assets.ConfigurationMetaNames.DESCRIPTION: "db2 table",
            client.data_assets.ConfigurationMetaNames.DATA_CONTENT_NAME: input_table_1 }

db2_conn_input_asset_details = client.data_assets.store(db2_asset_meta_props)  
input_data_1_href = client.data_assets.get_href(db2_conn_input_asset_details)
Creating data asset...
SUCCESS
In [11]:
db2_asset_meta_props={
            client.data_assets.ConfigurationMetaNames.NAME: "INPUT_TABLE_2",
            client.data_assets.ConfigurationMetaNames.CONNECTION_ID: db2_conn_id,
            client.data_assets.ConfigurationMetaNames.DESCRIPTION: "db2 table",
            client.data_assets.ConfigurationMetaNames.DATA_CONTENT_NAME: input_table_2 }

db2_conn_input_asset_details = client.data_assets.store(db2_asset_meta_props)  
input_data_2_href = client.data_assets.get_href(db2_conn_input_asset_details)
Creating data asset...
SUCCESS

Create output connection data assets¶

In [12]:
db2_asset_meta_props={
            client.data_assets.ConfigurationMetaNames.NAME: "OUTPUT_TABLE",
            client.data_assets.ConfigurationMetaNames.CONNECTION_ID: db2_conn_id,
            client.data_assets.ConfigurationMetaNames.DESCRIPTION: "db2 table",
            client.data_assets.ConfigurationMetaNames.DATA_CONTENT_NAME: output_table }

db2_conn_output_asset_details = client.data_assets.store(db2_asset_meta_props)  
output_data_href = client.data_assets.get_href(db2_conn_output_asset_details)
Creating data asset...
SUCCESS

4. Create batch deployment¶

Use bellow to create batch deployment for stored model.

In [13]:
model_uid = client.repository.get_model_uid(model_details)

deployment = client.deployments.create(
    artifact_uid=model_uid,
    meta_props={
        client.deployments.ConfigurationMetaNames.NAME: "SPSS BATCH customer satisfaction",
        client.deployments.ConfigurationMetaNames.BATCH: {},
        client.deployments.ConfigurationMetaNames.HARDWARE_SPEC: {
            "name": "S",
            "num_nodes": 1
        }
    }
)

#######################################################################################

Synchronous deployment creation for uid: 'b5f984cb-9b46-4884-aa9b-1541efab1faf' started

#######################################################################################


ready.


------------------------------------------------------------------------------------------------
Successfully finished deployment creation, deployment_uid='7ca37c54-19ab-4632-a191-625b3da3c898'
------------------------------------------------------------------------------------------------


5. Scoring¶

You can create batch job using below methods.

5.1 Scoring using data_asset pointing to the DB2.¶

In [14]:
job_payload_ref = {
    client.deployments.ScoringMetaNames.INPUT_DATA_REFERENCES: [
        {
            "id": "conn_db2",
            "name": "input_data_1_href",
            "type": "data_asset",
            "connection": {},
            "location": {
                "href": input_data_1_href
            }
        },
        {
            "id": "conn_db2",
            "name": "input_data_2_href",
            "type": "data_asset",
            "connection": {},
            "location": {
                "href": input_data_2_href
            }
        }
    ],
    client.deployments.ScoringMetaNames.OUTPUT_DATA_REFERENCE: {
            "type": "data_asset",
            "connection": {},
            "location": {
                "href": output_data_href
            }
    }
}

deployment_uid = client.deployments.get_uid(deployment)
job = client.deployments.create_job(deployment_uid, meta_props=job_payload_ref)

You can retrive job ID.

In [15]:
job_id = client.deployments.get_job_uid(job)
Monitor job execution¶

Here you can check the status of your batch scoring. When batch job is completed the results will be written to a Db2 table.

In [21]:
import time

elapsed_time = 0
while client.deployments.get_job_status(job_id).get('state') != 'completed' and elapsed_time < 300:
    print(f" Current state: {client.deployments.get_job_status(job_id).get('state')}")
    elapsed_time += 10
    time.sleep(10)
if client.deployments.get_job_status(job_id).get('state') == 'completed':
    print(f" Current state: {client.deployments.get_job_status(job_id).get('state')}")
    job_details_do = client.deployments.get_job_details(job_id)
    print(job_details_do)
else:
    print("Job hasn't completed successfully in 5 minutes.")
 Current state: queued
 Current state: running
 Current state: completed
{'entity': {'deployment': {'id': 'ac0dfe9a-6c98-4eeb-967b-120f9234b0e5'}, 'platform_job': {'job_id': 'bfcf37c5-d190-49bd-abca-fb22116323f5', 'run_id': '361b151b-c5f6-48dc-ae1d-776642c9a692'}, 'scoring': {'input_data_references': [{'connection': {}, 'id': 'conn_db2', 'location': {'href': '/v2/assets/04f74392-0b89-4ca6-baa1-157e4295bd8b?space_id=680a7515-620c-461f-9c6f-1f4c535bfc47'}, 'type': 'data_asset'}, {'connection': {}, 'id': 'conn_db2', 'location': {'href': '/v2/assets/d1e1c2eb-d0eb-430f-8707-f948c0b37ba2?space_id=680a7515-620c-461f-9c6f-1f4c535bfc47'}, 'type': 'data_asset'}], 'output_data_reference': {'connection': {}, 'location': {'href': '/v2/assets/8009a976-1218-42b7-81fc-39b77ec225cd?space_id=680a7515-620c-461f-9c6f-1f4c535bfc47'}, 'type': 'data_asset'}, 'status': {'completed_at': '2021-05-13T08:26:06.058Z', 'running_at': '2021-05-13T08:25:58.434Z', 'state': 'completed'}}}, 'metadata': {'created_at': '2021-05-13T08:25:47.071Z', 'id': 'a5d0e0b3-62c5-41f4-879b-41702e16b185', 'modified_at': '2021-05-13T08:26:06.191Z', 'name': 'name_d68b05fd-7866-4a48-af56-235eb3f03809', 'space_id': '680a7515-620c-461f-9c6f-1f4c535bfc47'}}

5.2 Scoring using connection_asset poiniting to the DB2¶

In [14]:
job_payload_ref = {
    client.deployments.ScoringMetaNames.INPUT_DATA_REFERENCES: [
        {
            "id": "conn_db2",
            "name": "input_table_1",
            "type": "connection_asset",
            "connection": {
                "id": db2_conn_id
            },
            "location": {
                "schema_name": schema_name,
                "file_name": input_table_1
            }
        },
        {
            "id": "conn_db2",
            "name": "input_table_2",
            "type": "connection_asset",
            "connection": {
                "id": db2_conn_id
            },
            "location": {
                "schema_name": schema_name,
                "file_name": input_table_2
            }
        }
    ],
    client.deployments.ScoringMetaNames.OUTPUT_DATA_REFERENCE: {
            "id": "conn_db2",
            "name": "output_table",
            "type": "connection_asset",
            "connection": {
                "id": db2_conn_id
            },
            "location": {
                "schema_name": schema_name,
                "file_name": output_table
            }
    }
}

deployment_uid = client.deployments.get_uid(deployment)
job = client.deployments.create_job(deployment_uid, meta_props=job_payload_ref)

Retrive job ID.

In [15]:
job_id = client.deployments.get_job_uid(job)
Monitor job execution¶
In [24]:
import time

elapsed_time = 0
while client.deployments.get_job_status(job_id).get('state') != 'completed' and elapsed_time < 300:
    print(f" Current state: {client.deployments.get_job_status(job_id).get('state')}")
    elapsed_time += 10
    time.sleep(10)
if client.deployments.get_job_status(job_id).get('state') == 'completed':
    print(f" Current state: {client.deployments.get_job_status(job_id).get('state')}")
    job_details_do = client.deployments.get_job_details(job_id)
    print(job_details_do)
else:
    print("Job hasn't completed successfully in 5 minutes.")
 Current state: queued
 Current state: running
 Current state: completed
{'entity': {'deployment': {'id': 'ac0dfe9a-6c98-4eeb-967b-120f9234b0e5'}, 'platform_job': {'job_id': 'bfcf37c5-d190-49bd-abca-fb22116323f5', 'run_id': '4d83ddcb-88ca-45ca-8209-446698936b8d'}, 'scoring': {'input_data_references': [{'connection': {'id': 'ae2a374b-85fd-4823-b6f5-95f11662324f'}, 'id': 'conn_db2', 'location': {'file_name': 'CUSTOMER', 'schema_name': 'PUT YOUR SCHEMA NAME HERE'}, 'type': 'connection_asset'}, {'connection': {'id': 'ae2a374b-85fd-4823-b6f5-95f11662324f'}, 'id': 'conn_db2', 'location': {'file_name': 'CUSTOMER_2', 'schema_name': 'PUT YOUR SCHEMA NAME HERE'}, 'type': 'connection_asset'}], 'output_data_reference': {'connection': {'id': 'ae2a374b-85fd-4823-b6f5-95f11662324f'}, 'id': 'conn_db2', 'location': {'file_name': 'OUTPUT', 'schema_name': 'PUT YOUR SCHEMA NAME HERE'}, 'type': 'connection_asset'}, 'status': {'completed_at': '2021-05-13T08:26:43.422Z', 'running_at': '2021-05-13T08:26:35.279Z', 'state': 'completed'}}}, 'metadata': {'created_at': '2021-05-13T08:26:23.663Z', 'id': '77973aa5-fbd0-41b8-9012-a4e2016a57dc', 'modified_at': '2021-05-13T08:26:43.622Z', 'name': 'name_3dc38b68-0227-4422-b7eb-b9bdd3f72d95', 'space_id': '680a7515-620c-461f-9c6f-1f4c535bfc47'}}

Preview scored data¶

In this subsection you will load scored data.

Tip: To install requests execute the following command: !pip install requests

In [19]:
import requests
In [20]:
host = db_credentials["https_url"] + "/dbapi/v3"

url = host + "/auth/tokens"
token = requests.post(url, json={
                             "userid": db_credentials["username"],
                             "password": db_credentials["password"]}).json()['token']
Get stored output using Db2 REST API¶
In [21]:
auth_header = {
    "Authorization": f"Bearer {token}"
}

sql_command = {
    "commands": "SELECT * FROM OUTPUT",
    "limit": 100,
    "separator": ",",
    "stop_on_error": "yes"
}
In [22]:
url = host + "/sql_jobs"
jobid = requests.post(url, headers=auth_header, json=sql_command).json()['id']
In [23]:
resp = requests.get(f"{url}/{jobid}", headers=auth_header)

results = resp.json()["results"][0]
columns = results["columns"]
rows = results["rows"]
Preview output using pandas DateFrame¶

Tip: To install pandas execute following command: !pip install pandas

In [24]:
import pandas as pd

pd.DataFrame(data=rows, columns=columns)
Out[24]:
customerID Churn Predicted Churn Probability of Churn
0 9237-HQITU Yes Yes 0.8829830706957551
1 3638-WEABW No No 0.0526309571556145
2 8665-UTDHZ Yes No 0.17411004057470159
3 8773-HHUOZ Yes No 0.48432324905415836
4 4080-IIARD No No 0.0920141258229612
5 6575-SUVOI No No 0.0920919392791626
6 7495-OOKFY Yes Yes 0.9721495250458333
7 0731-EBJQB No No 0.09059837844121355
8 1891-QRQSA No No 0.09210273951918213
9 5919-TMRGD Yes Yes 0.8942276923073484
10 9364-YKUVW No No 0.08573913673013789
11 7563-BIUPC Yes Yes 0.878469673954569
12 4183-MYFRB No No 0.41029784048995666
13 5729-KLZAR Yes Yes 0.9589057770843653
14 9102-OXKFY No No 0.0920128511710483
15 6078-VESFR No No 0.25027748128974314
16 9979-RGMZT No No 0.08438119760083618
17 1965-DDBWU Yes No 0.24591107604601636
18 7159-NOKYQ No No 0.008693015730152798
19 6778-YSNIH No No 0.04730024365943297

6. Clean up¶

If you want to clean up all created assets:

  • experiments
  • trainings
  • pipelines
  • model definitions
  • models
  • functions
  • deployments

see the steps in this sample notebook.

7. Summary and next steps¶

You successfully completed this notebook! You learned how to use Watson Machine Learning for SPSS model deployment and scoring. Check out our Online Documentation for more samples, tutorials, documentation, how-tos, and blog posts.

Author¶

Jan Sołtysik Intern in Watson Machine Learning.

Copyright © 2020, 2021, 2022 IBM. This notebook and its source code are released under the terms of the MIT License.