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

How To... Add a Row to a Dataframe in R #60

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

Loading, Viewing, working with an R dataset (basics)

Transpose Data Frame & Set First Column as Header in R (Example) | Rotate & Define Variable Names

Loop Through Data Frame Columns & Rows in R (4 Examples) | for-, while- & repeat-Loops | Add Values

Select Last Column of Data Frame in R (2 Examples) | Refer to & Extract Final Variable | ncol & drop

How to Select Specific Values from Rows and/or Columns of a Dataset in R. [HD]

Learn Python in 10 hours session 318

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

Basic Data Frame Exploration Functions in R

Group Data Frame Rows by Range in R (2 Examples) | Aggregate Interval, Year & Date | dplyr Package

Numbering Rows within Groups of Data Frame in R (2 Examples) | Base R vs. dplyr | Add Group Counter

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

How To... Reference Data in a Dataframe in R #59

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

How can I get all columns and rows from the R console output?

R Randomly Reorder Data Frame by Row & Column / Variable (Examples) | sample, nrow & ncol Functions

Change Row Names of Data Frame or Matrix in R (4 Examples) | row.names, data.frame & matrix Function

Sort pandas DataFrame by Date in Python (Example) | Order/Rearrange Rows | to_datetime & sort_values