Subsetting Survey Design Objects Dynamically in R

Subset Matrix in R by Row Numbers from Another Matrix Using R's Matrix Manipulation Capabilities

Subsetting the First Row of Each Element in a Variable Using Dplyr

Removing Group IDs Based on Condition in At Least One Group Using R Programming Language.

Sampling a Subset of DataFrame by Group with Sample Size Equal to Another Subset of the DataFrame

To apply a machine learning model, such as regression or classification, to the data, we first need to understand the relationships between the variables and prepare the data for modeling.

Filtering Rows with Measurements for More Than One Year in R Using Data.table and dplyr Libraries

Creating a Custom ftable Function in R: A Step-by-Step Guide