Calculating Time Between First and Last Event in SAS with Multiple Duplicates of ID

Extracting Dates Between Start and End Date That Correspond to Specific Days of the Week: A Comprehensive Guide

Extracting Visited Items from a Date-Stamped Visit Records DataFrame: A Step-by-Step Guide

Implementing Constraint on Overlapping Intervals in Postgres Records

Retrieving the Last Updated Information in Each Row: A Deep Dive into Timestamps and Date Functions

Faster and More Elegant Way to Enumerate Rows in Pandas DataFrames Using GroupBy.cumcount

Querying Date Ranges in PostgreSQL Using the Containment Operator

Resolving Date Format Issues with Timestamps in Pandas: A Guide to Day Name Functions and Format Specifications

Finding the Index of a Date in a DatetimeIndex Object Using pandas Methods

Based on the provided specification, I will create a complete response that meets all the requirements. Here is the final answer: