R – Sort a Vector in Descending Order

In this tutorial, we will look at how to sort a vector in descending order in the R programming language with the help of some examples. How do you sort a vector in R? You can use the built-in sort() function to sort a vector in R. It sorts the vector in ascending order by …

R – Sort a Vector in Ascending Order

In this tutorial, we will look at how to sort a vector in ascending order in the R programming language with the help of some examples. How do you sort a vector in R? You can use the built-in sort() function to sort a vector in R. It sorts the vector in ascending order by …

R – Filter Dataframe Based on Column Value

In this tutorial, we will look at how to filter a dataframe in R based on one or more column values with the help of some examples. How to filter a dataframe in R? The dplyr library comes with a number of useful functions to work with a dataframe in R. You can use the …

Rename Rows in R Dataframe (With Examples)

In this tutorial, we will look at how to rename the rows (also called the row indices) of a dataframe in R with the help of some examples. How to change the row names in an R dataframe? You can use the built-in rownames() to rename the rows of a dataframe in R. It modifies …

Remove Rows with NA Values in R

In this tutorial, we will look at how to remove rows in an R dataframe with NA values with the help of some examples. How to drop rows with NA values in R? You can use the na.omit() function in R to remove rows with NA values from a dataframe. Pass the dataframe as an …

Get Last N Rows of Dataframe in R

A dataframe in R is a data structure used to store data in a tabular form – in rows and columns. In this tutorial, we will look at how to get the last n rows of an R dataframe with the help of some examples. How to extract the last n rows in R? You …

Get First N Rows of a Dataframe in R

A dataframe in R is a data structure used to store data in a tabular form – in rows and columns. In this tutorial, we will look at how to get the first n rows of an R dataframe with the help of some examples. How to extract the first n rows in R? You …

Get Number of Columns in R Dataframe

A dataframe in R is a data structure used to store data in a tabular form – in rows and columns. In this tutorial, we will look at how to get the number of columns in an R dataframe with the help of some examples. How do I count the columns in a dataframe in …

Get the Number of Rows in R Dataframe

A dataframe in R is a data structure used to store data in a tabular form – in rows and columns. In this tutorial, we will look at how to get the number of rows in an R dataframe with the help of some examples. How do I count the rows in a dataframe in …

Column Standard Deviation in R (Step by Step)

The R programming language comes with a number of helpful functions to work with the data stored in data structures like vectors, lists, dataframes, etc. In this tutorial, we will look at one such function that helps us get the standard deviation of the values in a column of an R dataframe. How to get …