# confidence.interval

0th

Percentile

##### Calculates confidence intervals of the weights

confidence.interval, a method for objects of class nn, typically produced by neuralnet. Calculates confidence intervals of the weights (White, 1989) and the network information criteria NIC (Murata et al. 1994). All confidence intervals are calculated under the assumption of a local identification of the given neural network. If this assumption is violated, the results will not be reasonable. Please make also sure that the chosen error function equals the negative log-likelihood function, otherwise the results are not meaningfull, too.

Keywords
neural
##### Usage
confidence.interval(x, alpha = 0.05)
##### Arguments
x
neural network
alpha
numerical. Sets the confidence level to (1-alpha).
##### Value

confidence.interval returns a list containing the following components:

##### References

White (1989) Learning in artificial neural networks. A statistical perspective. Neural Computation (1), pages 425-464

Murata et al. (1994) Network information criterion - determining the number of hidden units for an artificial neural network model. IEEE Transactions on Neural Networks 5 (6), pages 865-871

neuralnet

##### Aliases
• confidence.interval
##### Examples
    data(infert, package="datasets")
print(net.infert <- neuralnet(case~parity+induced+spontaneous,
infert, err.fct="ce", linear.output=FALSE))
confidence.interval(net.infert)

Documentation reproduced from package neuralnet, version 1.33, License: GPL (>= 2)

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