Useful tips

How do I sort sorted and reverse?

How do I sort sorted and reverse?

The sorted() function accepts a reverse parameter as an optional argument. Setting reverse = True sorts the iterable in the descending order.

What does sort function do in 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 you sort a vector in descending order in R?

sort() function in R is used to sort a vector. By default, it sorts a vector in increasing order. To sort in descending order, add a “decreasing” parameter to the sort function.

How do you reverse in R?

Reverse the values of an Object in R Programming – rev() Function. rev() function in R Language is used to return the reverse version of data objects. The data objects can be defined as Vectors, Data Frames by Columns & by Rows, etc.

How do I sort data frame 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.

How to sort data frames in R?

Sorting Data Frames. In R, a data frame is an object with multiple rows and multiple columns. Each column in a data frame can be of a different data type. To sort data frames, use the order() function. Consider the following R data frame (df) which contains data on store location, account rep, number of employees and monthly sales:

What is the order function in R?

Definition of order() R function: The order function returns the position of each element of its input in ascending or descending order. As you can see in Figure 1, the lowest value (i.e. -10) is located at position two and the highest value (i.e. 8) is located at position three within our example vector.

What is a data frame in R?

R Data Frame. A “data frame” is basically a quasi-builtin type of data in R. It’s not a primitive; that is, the language definition mentions “Data frame objects” but only in passing. “Data frame is a list of factors, vectors, and matrices with all of these having the same length (equal number of rows in matrices).