The trunc() method in R is truncate, which rounds to the nearest integer in the direction of 0. The trunc() function truncates the values in the decimal places.
trunc() in R
The trunc() is a built-in R function that rounds the values to zero decimal points. It takes data that can be either a vector, string, or data frame and returns the converted integer number.
The trunc() method can convert float to int values.
Syntax
trunc(data)Parameters
The trunc() function takes data as an input string, vector, or data frame.
Return value
The trunc() method returns reduced the input values to zero decimal place and converted it into an int number.
Example
trunc(2119.1921)Output
[1] 2119You can see from the output that the trunc() method reduced the 2119.1921 values to zero decimal place and converted it into an int number.
Calculating trunc() value of Negative values in R
To calculate the trunc value of the negative value, use the trunc() method and pass the negative value as a parameter.
trunc(-2119.1921)Output
[1] -2119Applying trunc() method to a Vector
To create a Vector in R, use the c() function or ( : ) colon operator. Apply the trunc() method to a Vector.
rv <- c(1.1, 21.19, 1.9, 11, -46)
trunc(rv)Output
[1] 1 21 1 11 -46You can see that the trunc() function has returned the int values with zero decimal points.
Applying trunc() function to the data frame column
To create a data frame, use the data.frame() function. In this example, we will use the mtcars dataset, apply the trunc() function to the wt column, and see the output.
data(mtcars)
cat("\n")
cat("Trunc values of wt column", "\n")
cat("\n")
trunc(mtcars$wt)Output
Trunc values of wt column
[1] 2 2 2 3 3 3 3 3 3 3 3 4 3 3 5 5 5 2 1 1 2 3 3 3 3 1 2 1 3 2 3 2You can see that the trunc() function has reduced/returned all the values present in the mtcars dataset with zero decimal points.
That is it for the trunc() method in R.