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The dplyr
package in R is a powerful tool for data manipulation. Here are 100 tips for working with dplyr
:
1. Basics:
- Install
dplyr
withinstall.packages("dplyr")
. - Load
dplyr
withlibrary(dplyr)
.
2. Data Frames:
- Manipulate data frames with
dplyr
. - Use
tibble()
for creating tidy data frames.
3. Selecting Columns:
- Select columns with
select()
and exclude columns with-
. - Use
starts_with()
,ends_with()
, andcontains()
for selecting columns.
4. Filtering Rows:
- Filter rows based on conditions with
filter()
. - Use logical operators (
&
,|
) for complex filtering.
5. Arranging Data:
- Arrange data frames with
arrange()
. - Use
desc()
for descending order.
6. Mutate:
- Create new variables with
mutate()
. - Use
transmute()
for creating and dropping variables in one step.
7. Summarize:
- Summarize data with…