Optimizing Data Table Aggregation in R with Alternative Methods

Conditional Row Removal in R data.table Using Multiple Conditions

Extracting Last N Words from Character Columns in R Using Regular Expressions and String Manipulation

Concatenating Unique Strings of Variable in Data.table by Repeated Values of Another Variable

How Data.table Chaining Really Works: The Surprising Truth Behind Efficient Assignment Operations

Optimizing a Function with foreach Package in R: A Corrected Approach

Summing Partial Datatable as Column for Another Datatable in R Using data.table Package

Overcoming Binary Operator Errors in Subsetted Data.tables: 4 Alternative Solutions

Using Name Full Name and Maiden Name Strings (and Birthdays) to Match Individuals Across Time

Understanding Data.table Vectorized Functions and Column References