nParam {micEcon}R Documentation

Number of model parameters

Description

This function returns the number of model parameters. The default method returns the component x$param$nParam.

Usage

nParam(x, ...)
## Default S3 method:
nParam(x, ...)
## S3 method for class 'lm':
nParam(x, ...)

Arguments

x a statistical model
... other arguments for methods

Details

Not all parameters need to be free nor independent. The number may depend on the normalisation.

Value

Number of parameters in the model

Author(s)

Ott Toomet, otoomet@econ.au.dk

See Also

nObs for number of observations

Examples

# Construct a simple OLS regression:
x1 <- runif(100)
x2 <- runif(100)
y <- 3 + 4*x1 + 5*x2 + rnorm(100)
m <- lm(y~x1+x2)  # estimate it
summary(m)
nParam(m) # you get 3

[Package micEcon version 0.3-8 Index]