how to add new rows to a dataframe in R

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

Add New Row to Data Frame in R (2 Examples) | How to Append a Vector to a Matrix | rbind Function

How to Add a Row To a Data Frame in R

Add Empty Row to Data Frame in R (Example) | nrow() Function | How to Append NA Values in New Line

Add Row to Empty Data Frame in R (Example) | Append New Rows | Insert at Specific Index Position

Calculate Min & Max by Group & Add as New Column in R (2 Examples) | Append Variable to Data Frame

Add New Row at Specific Index Position to Data Frame in R (Example) | rbind & rownames Functions

Append to Data Frame in Loop in R (2 Examples) | Add New Column & Row in for-Loop | Create Variables

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

Calculate Group Mean & Add as New Column to Data Frame (3 Examples) | dplyr & data.table Packages

R Programming | Transforming Rows & Columns in Dataframe | Eduonix

Group by and Summarise functions in R programming - use the tidyverse package to wrangle your data

Size of Data Frame in R (4 Examples) | Dimension, Length, Number of Rows & Columns | dim() Function

Using dplyr's group_by for grouping data in R (CC163)

Avoid Losing Column Names when Adding Rows to Empty Data Frame in R (Example) | Keep Variable Names

Grouping and Summarizing Data Using dplyr

Group_by and summarize | Data untangled: transforming and cleaning data with R (lesson 5)

Add Index ID to Data Frame in R (3 Examples) | Create Numeric Identifier Using cbind, nrow & mutate

Add Empty Column to Data Frame in R (2 Examples) | How to Attach Blank Character Strings & NA Values