diptest.multi | R Documentation |
Diptest (Hartigan and Hartigan, 1985, see dip
)
for data projected in discriminant coordinate separating optimally two
class means (see discrcoord
) as suggested by Tantrum, Murua and
Stuetzle (2003).
diptest.multi(xdata,class,pvalue="uniform",M=100)
xdata |
matrix. Potentially multidimensional dataset. |
class |
vector of integers giving class numbers for observations. |
pvalue |
|
M |
integer. Number of artificial datasets generated in order to
estimate the p-value if |
The resulting p-value.
Christian Hennig christian.hennig@unibo.it https://www.unibo.it/sitoweb/christian.hennig/en/
J. A. Hartigan and P. M. Hartigan (1985) The Dip Test of Unimodality, Annals of Statistics, 13, 70-84.
Tantrum, J., Murua, A. and Stuetzle, W. (2003) Assessment and Pruning of Hierarchical Model Based Clustering, Proceedings of the ninth ACM SIGKDD international conference on Knowledge discovery and data mining, Washington, D.C., 197-205.
require(diptest)
x <- cbind(runif(100),runif(100))
partition <- 1+(x[,1]<0.5)
d1 <- diptest.multi(x,partition)
d2 <- diptest.multi(x,partition,pvalue="tantrum",M=10)
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