Creating a New Variable in R Based on Characteristics in Another DataFrame

Extracting Primary Tumor Samples from TCGA COAD Gene Expression Data

Recreate Missing Data in R: Using dplyr and Complete() Function

Removing Completely NA Rows in R: A Comparison of dplyr and Base R Approaches

Ranking Unique Values in DataFrames for Ordered Magnitude

Removing Outliers from a Data Frame in R: Methods and Examples

How to Exclude Duplicate Rows from a Data Frame Using Base R and dplyr

Extracting Specific Number of Rows from a Dataframe based on Conditions in R

Permuting Labels in a Dataframe but for Pairs of Observations

Comparing Cell Values within Rows of a Data.Frame: Avoiding Precision Issues with Floating-Point Numbers