Scope of Functions

Learn about the scope of the function and the difference between local and global variables.

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Introduction to scope concept in functions
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Introduction to scope concept in functions

As you begin to use functions, you should develop an awareness of the concept of scope. Notice that when we wrote the sigmoid function, we created a variable, Y, inside the function. Variables created inside functions are different from those created outside functions. They are effectively created and destroyed within the function itself when it is called. These variables are said to be local in scope: local to the function. You are not able to access the Y variable after using the sigmoid function:

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Introduction

Data Exploration and Cleaning

(Challenge) Exploring Remaining Financial Features in Dataset

Introduction to scikit-learn and Model Evaluation

(Challenge) Logistic Regression and Precision-Recall Curve

Details of Logistic Regression and Feature Extraction

(Challenge) Logistic Regression Model and Coefficients

The Bias-Variance Trade-Off

(Challenge) Cross-Validation and Feature Engineering

Decision Trees and Random Forests

(Challenge) Cross-Validation Grid Search with Random Forest

Gradient Boosting, XGBoost, and SHAP Values

(Challenge) XGBoost and SHAP Explanation for Case Study Data

Test Set Analysis, Financial Insights, and Delivery to the Client

(Challenge) Deriving Financial Insights

Appendix

Scope of Functions

Introduction to scope concept in functions