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Return the Index of the First Minimum Value of a Numeric Vector in R Programming – which.min() Function
  • Last Updated : 16 Jun, 2020

which.min() function in R Language is used to return the location of the first minimum value in the Numeric Vector.

Syntax: which.min(x)

Parameters:
x: Numeric Vector

Example 1:




# R program to find index of
# first minimum value
  
# Creating a vector
x <- c(2, 3, 4, 5, 1, 2, 3, 1, 2)
  
# Calling which.min() function
which.min(x)
  
# Printing minimum value
x[which.min(x)]

Output:

[1] 5
[1] 1

Example 2:




# R program to find index of
# first minimum value
  
# Calling pre-defined dataset
BOD$demand
  
# Calling which.min() function
which.min(BOD$demand)
  
# Printing minimum value
BOD$demand[which.min(BOD$demand)]

Output:

[1] 8.3 10.3 19.0 16.0 15.6 19.8
[1] 1
[1] 8.3
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