# What is sort function r?

## What is sort function r?

There is a **function in R** that you can use (called the **sort function**) to **sort** your data in either ascending or descending order. The variable by which **sort** you can be a numeric, string or factor variable. You also have some options on how missing values will be handled: they can be listed first, last or removed.

## How do I sort in R?

To **sort** a data frame in **R**, use the order( ) function. By default, **sorting** is ASCENDING. Prepend the **sorting** variable by a minus sign to indicate DESCENDING order. Here are some examples.

## How do you use the sort function?

**Excel SORT Function**

- array - Range or array to
**sort**. - sort_index - [optional] Column index to
**use**for**sorting**. Default is 1. - sort_order - [optional] 1 = Ascending, -1 = Descending. Default is ascending order.
- by_col - [optional] TRUE =
**sort**by column. FALSE =**sort**by row. Default is FALSE.

## Which parameter is used in sort () to sort values in descending order in R?

Related Articles. **sort()** function in **R** Language is **used** to **sort** a vector by its **values**. It takes Boolean value as argument to **sort** in **ascending** or **descending order**.

## How do I sort a vector in R?

To **sort a vector in R** use the **sort**() function. See the following example. By default, **R** will **sort** the **vector** in ascending order. However, you can add the decreasing argument to the function, which will explicitly specify the **sort** order as in the example above.

## How does Dplyr sort data in R?

**Arrange** rows The **dplyr** function **arrange**() can be used to reorder (or **sort**) rows by one or more variables. Instead of **using** the function desc(), you can prepend the **sorting** variable by a minus sign to indicate descending **order**, as follow. If the **data** contain missing **values**, they will always come at the end.

## What %>% means in R?

The compound assignment %% operator is used to update a value by first piping it into one or more expressions, and then assigning the result. For instance, let's say you want to transform the mpg variable in the mtcars data frame to a square root measurement.

## How do I reorder levels in R?

One way to change the **level** order is to use factor() on the factor and specify the order directly. In this example, the function ordered() could be used instead of factor() . Another way to change the order is to use relevel() to make a particular **level** first in the list. (This will not work for ordered factors.)

## How do I reorder Barplot in R?

Another way to re-order **barplots** is to use the base **R** function **reorder**(). It kind of works the same way and we **reorder** the factors based on population size. **Reordering** bars in **barplot** using base **R** function **reorder**() also results in the same **barplot** as we ordered by fct_reorder().

## How do I change factor in R?

The **factor**() command is used to create and modify **factors in R**. Step 2: The **factor** is converted into a numeric vector using as. numeric() . When a **factor** is converted into a numeric vector, the numeric codes corresponding to the **factor** levels will be returned.

## How do you rearrange columns in R Dplyr?

Use relocate() to **change column** positions, using the same syntax as select() to make it easy to move blocks of **columns** at once.

## How do I rearrange columns in alphabetical order in R?

**Rearrange** or **reorder** the **column Alphabetically** in **R**: **Rearranging** the **column** in **alphabetical order** can be done with the help of select() function & **order**() function along with pipe operator. In another method it can also be accomplished simply with help of **order**() function only.

## How do I remove a column in R?

The most easiest way to **drop columns** is by using subset() function. In the code below, we are telling **R** to **drop** variables x and z. The '-' sign indicates dropping variables. Make sure the variable names would NOT be specified in quotes when using subset() function.

## How do I change row names in R?

**Changing** the **row** and **column names** **R** stores the **row** and **column names** in an attribute called dimnames. Use the dimnames() function to extract or set those values.

## How do I remove row names in R?

For example, if we have a matrix M that contain **row names** and **column names** then we can **remove** those **names** by using the command colnames(M)

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