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How to Improve Machine Learning Models

Rory Donovan
August 23, 2023
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AI (artificial intelligence) has become increasingly beneficial over the past decade. AI is revolutionizing almost every industry, from automated customer service to cutting-edge medical research. How do we ensure that our machine learning models are producing accurate results? 

Let’s explore some key points for how to improve your machine learning model’s accuracy and performance.

Researching the Problem and Goals

The first step in improving any machine learning model is to understand the problem you are trying to solve and the goals that you want to achieve. Create a well-defined problem statement with specific objectives and steps to measure outcomes. 

Data Gathering and Preparation

You should clearly understand what your data set looks like and what features should be considered for the model. 

Data gathering and pre-processing are essential for any ML project. You should ensure all data is accurate, up-to-date, and relevant for training the model. It’s also important to ensure that your dataset is relatively large, diverse, and representative of your use case.

Additionally, it’s important to clean up your data set by removing unwanted attributes and dealing with missing values. For example, you must watch out for invalid data, duplicate or null values, data type mismatches, schema, and data distribution shifts.

Model Development, Training, and Evaluation

After you have gathered and prepared your data, it’s time to start developing the model. This involves selecting an appropriate algorithm, tuning its hyperparameters, and training the model with your data set. Once the model is trained, you should evaluate its performance by testing it on unseen data or using metrics like precision and recall.

Once the initial model is built and tested, you can refine it for further accuracy. Refining a machine learning model may involve adding more data points to your training set, feature engineering, or even changing the algorithm used. It’s also important to monitor your model for any changes in performance over time.

Deployment and Post-Deployment

Finally, once your model is fully optimized, you can deploy it in a production environment. This involves packaging the model and its associated resources into an executable file or container easily integrated with other applications. Deployment also requires setting up logging and monitoring systems to ensure the proper functioning of the model. 

Even after your model is deployed, monitoring its performance and refining it if necessary is important. As data and trends change over time, the model may need to be modified or updated to ensure that it is producing accurate results. Additionally, you should keep track of any feedback from users or customers so that you can make changes as needed.

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At VirtuousAI, we believe ML models should always undergo rigorous testing. Our explainability “white box” shadow model uses state-of-the-art machine learning techniques. Inject a single line of code using our REST API, and our VirtueInsight will demonstrate how your current proprietary model generated the results it did. 

Use this information to improve your models and communicate what they are doing to your users so that they can trust them.

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