Rolling Cross-Join on Portfolios Dataset to Impute Missing Shares in a Forward Manner Using R.

How to Use Predict Function with Data.table and Linear Regression in R

Update Values in a Data Table Using Join Operation

Replacing NAs with the Latest Non-NA Value Using R's zoo Package

Splitting Data Frame Rows Based on Overlap Calculation with data.table Package in R

Addressing Data.table Columns Based on Two grep() Commands in R

Using eval to Dynamically Add Columns to a Contingency Table in R

Using Data Tables with Function Application: Workarounds for Passing Columns into Functions

Iterating Stepwise Regression Models Using Different Column Names with _y Suffix

Applying the `apply` Function Over Character Vectors Inside `data.table`: A Flexible Solution for Data Manipulation