c. Select
Properties/Column Selection/Features
for the independent columns (variables) for
analysis. By default, the following are enabled:
Average Tenure
Average Income
Average Investment Amt
d. In the
Properties/Column Selection/Target Variable
, choose the dependent column (variable) for
analysis. By default,
Attrition
is enabled
e. Select
Advanced/Tree Pruning/Minimum Split
and enter the value
50.
f.
Select
Done
At this point, run the Algorithm Component first (Run Till Here) before continuing the analysis. Choose
Yes to switch to the Results view for verifying the execution results. The results should look similar to
HANA C4.5 - 4 independent cols Algorithm, though with less complexity in decision tree.
a. Select
HANA C4.5 - 3 independent cols
component. From
Component Actions
select
Save as
Model.
b. Specify the
Save Model Attrition_C4.5_3_indep_cols
as
Model Name
c. Select the
Overwrite
row and choose
Save
Export Saved Model
a. From
Components
list, expand
Models
b. Select
Attrition_C4.5_3_indep_cols
c. From
Component Actions
, select
Export Model
d. Choose
Use this option to export data models to the SAP Predictive Analytics Archive (*.spar)
file
e. Change File Name to
Attrition_C4.5_3_indep_cols.spar.
f.
Select
Save
Predicting
Once the model is trained, the PREDICT LUMS is used with SAP Predictive Analytics for predictive modeling
and the visualizations for the analysis using current data. The following steps must be executed to configure the
PREDICT LUMS.
Select the LUMS for Banking_Customer_Attrition_Analysis - Predict
a. Launch Expert Analytics in SAP Predictive Analytics. Open menu File and choose Import to
folder and import or if the LUMS file is already imported browse through the Documents list for
Banking_Customer_Attrition_Analysis - Predict.lums file.
b. In the dialog box, enter the SAP HANA server details, your user name, and password.
Verify the data
a. Choose
Prepare
panel to ensure that the data has loaded properly.
Switch to the
Predict
panel to view the predictive model. Banking_Customer_Attrition_Analysis -
Predict.lums include default saved model
Attrition_C4.5_3_indep_cols
imported into the analysis.
From Components list, select the ‘+’ button.
Select
Import Model
a. Locate the saved
Attrition_C4.5_3_indep_cols.spar,
and
choose
Open
b. Select model
Attrition_C4.5_3_indep_cols
and
choose
Finish
Expand Models to select and drag
Attrition_C4.5_3_indep_cols
into
Analysis
screen
Adjust the
HANA C4.5 - 3 independent cols
Algorithm Component
a. Choose
Configure Settings
b. Select in the
Properties/Output Information/Output Mode
to
Trend
