ITGSS Certified Technical Associate: Project Management Practice Exam

Which activity is associated with Feature Selection?

1. The manipulation of model parameters

2. The choosing of data columns for use in a model

3. The evaluation of model accuracy

4. The visualization of data trends

The correct answer is: The choosing of data columns for use in a model

Feature Selection is a critical process in the development of predictive models, as it directly affects the model's performance and interpretability. The choosing of data columns for use in a model is essential because it involves identifying and selecting the most relevant input variables that contribute to the output variable of interest. This step ensures that only the most significant features are included in the model, which helps to reduce complexity, enhance accuracy, and minimize overfitting. By carefully selecting features, practitioners can also improve the computational efficiency of the model and make it easier to understand. Irrelevant or redundant features can introduce noise, making it more difficult for the model to learn from the data. Thus, the correct answer highlights the importance of effectively choosing appropriate data columns to optimize model performance.