ai_pipeline_optimizer
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| ai_pipeline_optimizer [2025/05/29 13:11] – [Workflow] eagleeyenebula | ai_pipeline_optimizer [2025/05/29 13:17] (current) – [Conclusion] eagleeyenebula | ||
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| Line 107: | Line 107: | ||
| 1. **Setup the Training Data**: | 1. **Setup the Training Data**: | ||
| - | * Configure | + | * Configure |
| 2. **Define a Model**: | 2. **Define a Model**: | ||
| Line 149: | Line 149: | ||
| The following examples showcase complex and advanced practical use cases for the optimizer: | The following examples showcase complex and advanced practical use cases for the optimizer: | ||
| - | |||
| - | --- | ||
| - | |||
| ==== Example 1: Multiple Models with Automated Search ==== | ==== Example 1: Multiple Models with Automated Search ==== | ||
| Optimize different models simultaneously: | Optimize different models simultaneously: | ||
| - | ```python | + | < |
| + | python | ||
| from sklearn.ensemble import RandomForestClassifier, | from sklearn.ensemble import RandomForestClassifier, | ||
| - | + | </ | |
| - | # Define multiple parameter grids | + | **Define multiple parameter grids** |
| + | < | ||
| grid_rf = { | grid_rf = { | ||
| " | " | ||
| Line 167: | Line 166: | ||
| " | " | ||
| } | } | ||
| - | + | </ | |
| - | # Initialize optimizers | + | **Initialize optimizers** |
| + | < | ||
| optimizer_rf = PipelineOptimizer(RandomForestClassifier(), | optimizer_rf = PipelineOptimizer(RandomForestClassifier(), | ||
| optimizer_gb = PipelineOptimizer(GradientBoostingClassifier(), | optimizer_gb = PipelineOptimizer(GradientBoostingClassifier(), | ||
| - | + | </ | |
| - | # Train and optimize models | + | **Train and optimize models** |
| + | < | ||
| best_rf = optimizer_rf.optimize(X_train, | best_rf = optimizer_rf.optimize(X_train, | ||
| best_gb = optimizer_gb.optimize(X_train, | best_gb = optimizer_gb.optimize(X_train, | ||
| - | + | </ | |
| - | # Evaluate the better-performing model | + | **Evaluate the better-performing model** |
| + | < | ||
| rf_score = accuracy_score(y_test, | rf_score = accuracy_score(y_test, | ||
| gb_score = accuracy_score(y_test, | gb_score = accuracy_score(y_test, | ||
| Line 182: | Line 184: | ||
| print(f" | print(f" | ||
| print(f" | print(f" | ||
| - | ``` | + | </ |
| - | + | ||
| - | --- | + | |
| ==== Example 2: Custom Scoring ==== | ==== Example 2: Custom Scoring ==== | ||
| Optimize using a specific scoring metric: | Optimize using a specific scoring metric: | ||
| - | ```python | + | < |
| + | python | ||
| param_grid = { | param_grid = { | ||
| " | " | ||
| Line 201: | Line 201: | ||
| param_grid | param_grid | ||
| ) | ) | ||
| - | + | </ | |
| - | # Use roc_auc as the scoring metric | + | **Use roc_auc as the scoring metric** |
| + | < | ||
| best_model = optimizer.optimize( | best_model = optimizer.optimize( | ||
| X_train, y_train | X_train, y_train | ||
| ) | ) | ||
| print(f" | print(f" | ||
| - | ``` | + | </ |
| - | + | ||
| - | --- | + | |
| ==== Example 3: Extending to Non-sklearn Models ==== | ==== Example 3: Extending to Non-sklearn Models ==== | ||
| Apply optimization to non-sklearn pipelines by creating a wrapper: | Apply optimization to non-sklearn pipelines by creating a wrapper: | ||
| - | ```python | + | < |
| + | python | ||
| from xgboost import XGBClassifier | from xgboost import XGBClassifier | ||
| Line 224: | Line 223: | ||
| optimizer = PipelineOptimizer(XGBClassifier(use_label_encoder=False), | optimizer = PipelineOptimizer(XGBClassifier(use_label_encoder=False), | ||
| best_xgb = optimizer.optimize(X_train, | best_xgb = optimizer.optimize(X_train, | ||
| - | ``` | + | </ |
| - | + | ||
| - | --- | + | |
| ==== Example 4: Parallel/ | ==== Example 4: Parallel/ | ||
| Enhance execution time for large hyperparameter grids: | Enhance execution time for large hyperparameter grids: | ||
| - | ```python | + | < |
| + | python | ||
| from joblib import Parallel, delayed | from joblib import Parallel, delayed | ||
| Line 244: | Line 242: | ||
| ) | ) | ||
| print(f" | print(f" | ||
| - | ``` | + | </ |
| - | + | ||
| - | --- | + | |
| ===== Best Practices ===== | ===== Best Practices ===== | ||
| 1. **Start Small**: | 1. **Start Small**: | ||
| - | Begin with smaller parameter grids before scaling to larger configurations to save time and resources. | + | * Begin with smaller parameter grids before scaling to larger configurations to save time and resources. |
| 2. **Use Relevant Metrics**: | 2. **Use Relevant Metrics**: | ||
| - | | + | * Select scoring metrics aligned with the problem domain (e.g., |
| 3. **Cross-Validation Best Practices**: | 3. **Cross-Validation Best Practices**: | ||
| - | | + | * Ensure the training data is appropriately shuffled when using **cv** to avoid potential data leakage. |
| 4. **Parallel Execution**: | 4. **Parallel Execution**: | ||
| - | For large-scale optimization, | + | * For large-scale optimization, |
| 5. **Document Results**: | 5. **Document Results**: | ||
| - | Log parameter configurations and scores for reproducibility. | + | * Log parameter configurations and scores for reproducibility. |
| - | + | ||
| - | --- | + | |
| ===== Extending the Framework ===== | ===== Extending the Framework ===== | ||
| - | The design of `PipelineOptimizer` allows easy extensibility: | + | The design of **PipelineOptimizer** allows easy extensibility: |
| 1. **Support for RandomizedSearchCV**: | 1. **Support for RandomizedSearchCV**: | ||
| - | Replace | + | |
| - | ```python | + | < |
| + | | ||
| from sklearn.model_selection import RandomizedSearchCV | from sklearn.model_selection import RandomizedSearchCV | ||
| | | ||
| - | ``` | + | </ |
| 2. **Integrating with Workflows**: | 2. **Integrating with Workflows**: | ||
| - | Use the optimizer within larger pipelines, such as scikit-learn' | + | * Use the optimizer within larger pipelines, such as scikit-learn' |
| 3. **Custom Models**: | 3. **Custom Models**: | ||
| - | Wrap additional libraries like LightGBM, CatBoost, or TensorFlow/ | + | * Wrap additional libraries like **LightGBM**, **CatBoost**, or **TensorFlow/ |
| - | + | ||
| - | --- | + | |
| ===== Conclusion ===== | ===== Conclusion ===== | ||
| - | The **AI Pipeline Optimizer** simplifies hyperparameter tuning with its automated, flexible, and modular approach. By leveraging its powerful grid search capabilities, | + | The **AI Pipeline Optimizer** simplifies |
| + | |||
| + | Its intuitive configuration and seamless compatibility with popular machine learning frameworks make it ideal for teams seeking to accelerate experimentation and model refinement. The optimizer supports both exhaustive and selective search strategies, enabling users to balance performance gains with computational efficiency. With built-in logging, result tracking, and integration hooks, it not only streamlines the tuning process but also fosters repeatability and insight-driven optimization turning performance tuning into a strategic advantage in AI development. | ||
ai_pipeline_optimizer.1748524264.txt.gz · Last modified: 2025/05/29 13:11 by eagleeyenebula
