Selecting Values Below and After a Certain Value in a DataFrame

Querying Dataframes Inside a List Using SQL with sqldf and Various Packages

Removing Unwanted Column Labels/Attributes in data.tables with .SD

Splitting Strings with Parentheses Using tstrsplit() Function in R

Using Case When Statements and Windows Size for Data Grouping in R

Removing Rows with Specific Patterns Using gsub in R

Understanding How to Remove Wash-Out Rows from an R DataFrame Based on Group Values

Collapsing BLAST HSPs Dataframe by Query ID and Subject ID Using dplyr and data.table

Transforming Data from Long Format to Wide Format Using dcast() in data.table

Mastering Data Table and Plyr Parallelization in R: A Step-by-Step Solution