Extract First N Rows of Data Frame in R (3 Examples) | Select & Subset with head Function & [ , ]

Extract Row from Data Frame in R (2 Examples) | Subset One or Multiple Rows of Table / Matrix

R Find Rows in First Data Frame that are not in Second (Example) | setdiff Function of dplyr Package

Select Data Frame Rows based on Values in Vector in R | element, filter [dplyr] & setDT [data.table]

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Assign Column Names Based On Existing Row in R | Convert First Line to Data Frame Header | colnames

Selecting and removing rows in R dataframes

R Select Top N Highest Values by Group (Example) | Extract Head | Reduce, rbind, dplyr & data.table

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Create Data Frame with n Rows & m Columns in R (Example) | Specify Dimensions | matrix, nrow & ncol

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Select Odd & Even Rows & Columns from Data Frame in R (4 Examples) | seq_len, nrow & ncol Functions

Delete Duplicate Rows Based On Column Values in R (Example) | Select Unique Row | Order Data Frame

Selecting Columns from a Data Frame using the dplyr Select Function

Convert Values in Column into Row Names of Data Frame in R (Example) | Variable & row.names Function

Print First or Last Rows of Data Frame in R (4 Examples) | head() & tail() Functions | Top & Bottom

Create Data Frame Row by Row in R (2 Examples) | Successively Add Observations | List, Index & Loop

How to subset rows and columns in a data frame in R (3 minutes)

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