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+# ADO TRIM Operator
+
+`ado-trim` is an operator plugin for the
+[Accelerated Discovery Orchestrator (ADO)](https://github.com/IBM/ado),
+providing the Transfer Refined Iterative Modeling (TRIM) characterization
+operator.
+
+**TRIM** is designed to efficiently build a surrogate model of a complex system.
+It is ideal for scenarios where exploring a parameter space is time-consuming or
+expensive. TRIM intelligently samples just enough points to create a stable and
+accurate predictive model, saving significant time and resources.
+
+## How it Works
+
+The `TRIM` operator works in two main phases:
+
+1. **No-Priors Characterization**: If the system has not been measured before,
+   TRIM starts by sampling a small, representative set of points using a
+   space-filling algorithm to get a baseline understanding of the parameter
+   space.
+
+2. **Iterative Modeling**: This phase begins by using all currently available
+   data to train a single preliminary surrogate model. The feature importance
+   from this model is used to order for all remaining unmeasured points. TRIM
+   then enters a loop where it:
+   - Samples the next point and adds it to the dataset.
+   - Trains a model on the gathered data.
+   - Evaluates the expected improvement of a model trained on a larger dataset
+     by comparing the new model's performance against that of previous models.
+
+This loop continues until the improvement is below a threshold, at which point
+TRIM automatically stops. Finally, it trains one high-quality model on all
+collected data and saves it for your use. It also outputs a file containing the
+measured values and predictions for all points in your space.
+
+## Installation
+
+You can install the `TRIM` operator and its dependencies (including `ado-core`)
+directly from PyPI:
+
+```bash
+pip install ado-trim
+```
+
+## More Information
+
+To learn more about TRIM and explore the full capabilities of ADO, including
+detailed documentation, configuration guides, and additional examples, visit the
+official ADO website:
+
+- **TRIM Quickstart**: <https://ibm.github.io/ado/examples/trim/>
+- **Configuring TRIM**: <https://ibm.github.io/ado/operators/trim/>
+- **ADO Documentation**: <https://ibm.github.io/ado/>