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FICO® Xpress Optimization Blog
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FICO® Decision Optimizer 9.4 – July 2025

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FICO
Community Manager
1 year ago
New Functionality and Changes Introduced with Decision Optimizer 9.4

New Features and Changes
This release delivers enhancements in Tree Aware Optimization (TAO), reporting and general performance improvements.
  • Tree Aware Optimization (TAO) enhancements:
  • Ability to use same decision key multiple times in tree template
  • When updating tree template, allow for changing base tree file while keeping consistency constraint setup
  • For a base tree template, allow branching base tree leaf nodes that are not at the deepest (i.e. allow expanding of non-terminal leaves into subtrees)
  • Performance improvements of segment handling
  • Report enhancements:
  • Increased width and height of Efficient Frontier (EF) screen
  • In Data Model view, enabled sorting on "Report Order" column
  • In Swap Set Report, exported table now has rows and columns in same order to GUI
  • General performance improvements (including segment handling across all scenarios and eligibility constraint segment validation)
  • In JOBS tab, when clicking on executed scenario from JOBS tab, the scenario is opened automatically together with its project and shown in Summary Report view
Defect Remediation
  • Validation Scenario now executes over the post-data-processing records, which is consistent with other scenario types
  • In Swap Set report for an Exploratory Scenario, a separate table is now displayed for each respective sub-scenario
Note: this release of Decision Optimizer requires a minimum version of Xpress 9.7 and Xpress Insight 5.15.

Additionally, the Action Effect Modeling 2.4 releaseincludes the following.
New Features and Changes
  • In Data Load section, added message on the last processing option and execution time for Empty values treatment
  • In Base Model, Holdout target is now capped according to the target bounds
  • WoE formula selection is exported in Model Reports as "Standard Deviation", "Deviation from Mean", or "Binary"
  • Added message alerting user if data load has failed
  • Added option to replace empty values with defaults, and ignore records with any remaining empty values
  • Summary statistics tables are computed separately for Development and Holdout samples, both for initial and processed data
  • In run log for Read Data, we report the size and the (up to 20) indices of the empty records found
  • In run log for Apply Variable Use and Process Empty, we also report the size and the (up to 20) indices of the ignored records
  • Special values are counted in initial summary statistics and removed from processed statistics
Defect Remediation
  • For each binning table, it is now possible to Sort bins correctly by the breakpoint
  • Fixed computation of Action Effect training error metric: removed unnecessary division by sample weight and applied square root to report RMSE. For consistency, Base Model error and New Dataset errors are also reported as RMSE.
Note: This release of Action Effect Modeling requires a minimum version of Xpress 9.7 and Xpress Insight 5.15.
Updated 1 year ago
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