mse: Mean Squared Error (MSE)

In liver: "Eating the Liver of Data Science"

Mean Squared Error (MSE)

Description

Computes mean squared error.

Usage

mse( pred, actual, weight = 1, na.rm = FALSE )

Arguments

pred	a numerical vector of estimated values.
actual	a numerical vector of actual values.
weight	a numerical vector of weights the same length as pred.
na.rm	a logical value indicating whether NA values in pred should be stripped before the computation proceeds.

Value

The computed mean squared error (numeric value).

Author(s)

Reza Mohammadi [e-mail] and Kevin Burke [e-mail]

See Also

mae

Examples

pred   = c( 2.3, -1.4, 0, 3.45 )
actual = c( 2.1, -0.9, 0, 2.99 )
  
mse( pred, actual )
   

liver documentation built on Nov. 2, 2023, 5:29 p.m.