Here's a Python solution using SQL-like constructs to calculate the required metrics:

Resolving Core Data Store Issues with Weak References and Synchronization in Objective-C Development

Creating an App with Dynamic UIButtons and Navigation: A Comprehensive Guide to Implementing UIButtons as Tab Bar

Mastering Date Manipulation in Pandas: How to Change Date Formats

Improving SQL Pagination Performance with UNION ALL

Pivoting Data: Mastering Long to Wide Transformations with pivot_longer() and pivot_wider() in R

Understanding RStudio's Plotly Export Mechanism

Binding Matrices of the Same City Together for Analysis and Visualization

Understanding Logical Operators in R: A Deep Dive into Character and Numeric Comparisons

Using Regular Expressions to Extract Values After the Equal Symbol in R