R dplyr (Data Manipulation)

What is dplyr?

dplyr is a package used to manipulate and analyze data efficiently.

It makes data operations more readable and powerful.

Loading dplyr

The Pipe Operator (%>% )

The pipe passes data from one step to the next.

filter()

select()

mutate()

arrange()

summarise()

group_by()

Full Example

Why dplyr is Important

• Cleaner code
• Faster data manipulation
• Industry standard
• Works with large datasets

Common Mistakes

• Forgetting to load dplyr
• Misusing %>%
• Not chaining operations properly

Practice

Use dplyr to filter data, select columns, and create a new column.

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