SCNET · Enterprise IT · Ankara, Türkiye

Sanal Çekirdek

A model ages from the moment it goes live.

Advanced analytics differs from reporting the past: it predicts a future behavior and feeds a decision. Sanal Çekirdek starts not from the prediction but from the threshold at which a decision would change.

Accuracy alone is not a measure of success. Value appears when the output genuinely changes what someone decides.

Tying the question to a decision

The first step is a decision, not a model: which decision, how often, made by whom, and how a prediction would change it. A prediction that changes no decision stays on the shelf however accurate it is.

  • The decision owner and cadence are written first
  • The threshold at which prediction becomes action is set
  • The current decision method becomes the baseline
  • Cost of being wrong is calculated in both directions

Data preparation and leakage

Most of a model's quality is decided during data preparation. The most common error is letting information unavailable at prediction time reach the training data; that leakage produces a model perfect in the lab and useless in production.

  • Every feature is verified to exist at prediction time
  • Time-based splitting replaces random splitting
  • Missing-data patterns are examined as their own signal
  • Data source and version are recorded

Validation and explainability

An enterprise decision invites the question of why the model said what it said. Feature contributions are reported, edge cases are reviewed, and the areas where the model is unreliable are marked openly.

  • Feature contributions are presented in the decision owner's terms
  • Segments where the model is weak are documented
  • Risk of discriminatory outcomes is tested at data level
  • The validation set represents the production distribution

Production and post-deployment monitoring

A model begins ageing the moment it goes live. As the input distribution shifts, accuracy declines quietly, so monitoring covers data and prediction distributions rather than only system health.

  • Input drift is monitored against a threshold
  • Prediction distribution is compared with actual outcomes
  • Retraining conditions are written in advance
  • Model version and its data are retained together

How we work

  1. Define the decision and its threshold together
  2. Prepare the data and eliminate leakage
  3. Validate with time-based splitting
  4. Deploy and connect the output to the decision
  5. Monitor drift and trigger retraining

How success is measured

  • The prediction changes a defined decision
  • Production accuracy stays close to validation
  • Input drift raises an alert once past threshold
  • Model version and data remain traceable

Frequently asked questions

How much data is needed?

Representativeness matters more than volume. A small set that represents the event well beats a large one covering a single period; sufficiency is measured on the first attempt.

Can a pre-built model be used?

For some problems, yes. But a pre-built model never enters production without validation on your own data; what works on someone else's distribution may not work on yours.

Who makes the decision?

The decision stays with people and the model supplies an input. Areas where a decision will be automated are identified separately, with an appeal path defined for them.

Point us at the decision you want to improve; we will measure how much difference a model would actually make to it.

Choose the decision to improve