SAM (version 1.0.2)

sonardata: Sonar Dataset

Description

This data set consists of 208 sonar signals (111 from metal and 97 from rock).

Usage

data(sonardata)

format

The format is a list containing conatins a matrix and a vector. 1. fea - 208x60: 208 signals from 60 different angles. 2. lab - 60x1: "1" denotes "rock" and "-1" denotes "metal".

source

It is publicly available at http://archive.ics.uci.edu/ml/datasets/Connectionist+Bench+(Sonar,+Mines+vs.+Rocks)

Details

This data set can be used to perform the sparse additive machine to demonstrate the supriority of its non-linearity over L1 norm SVM.

References

T. Zhao and H.Liu. "Sparse Additive Machine", International Conference on Artificial Intelligence and Statistics, 2012. P. Bradley and O. Mangasarian. ""Feature selection via concaveminimization and support vector machines"", International Conference on Machine Learing, 1998.

See Also

spam,l1svm

Examples

data(sonardata)
dim(sonardata$fea)
sum(sonardata$lab==1)