fpc2.2-12 package

Flexible Procedures for Clustering

mahalconf

Mahalanobis fixed point clusters initial configuration

mergenormals

Clustering by merging Gaussian mixture components

mergeparameters

New parameters from merging two Gaussian mixture components

adcoord

Asymmetric discriminant coordinates

ancoord

Asymmetric neighborhood based discriminant coordinates

awcoord

Asymmetric weighted discriminant coordinates

minsize

Minimum size of regression fixed point cluster

batcoord

Bhattacharyya discriminant projection

bhattacharyya.dist

Bhattacharyya distance between Gaussian distributions

bhattacharyya.matrix

Matrix of pairwise Bhattacharyya distances

calinhara

Calinski-Harabasz index

can

Generation of the tuning constant for regression fixed point clusters

cat2bin

Recode nominal variables to binary variables

cdbw

CDbw-index for cluster validation

cgrestandard

Standardise cluster validation statistics by random clustering results

classifdist

Classification of unclustered points

clucols

Sets of colours and symbols for cluster plotting

clujaccard

Jaccard similarity between logical vectors

clusexpect

Expected value of the number of times a fixed point cluster is found

clustatsum

Compute and format cluster validation statistics

cluster.magazine

Run many clustering methods on many numbers of clusters

cluster.stats

Cluster validation statistics

cluster.varstats

Variablewise statistics for clusters

clusterbenchstats

Run and validate many clusterings

clusterboot

Clusterwise cluster stability assessment by resampling

cmahal

Generation of tuning constant for Mahalanobis fixed point clusters.

concomp

Connectivity components of an undirected graph

confusion

Misclassification probabilities in mixtures

cov.wml

Weighted Covariance Matrices (Maximum Likelihood)

cqcluster.stats

Cluster validation statistics (version for use with clusterbenchstats

cvnn

Cluster validation based on nearest neighbours

cweight

Weight function for AWC

dbscan

DBSCAN density reachability and connectivity clustering

mixdens

Density of multivariate Gaussian mixture, mclust parameterisation

dipp.tantrum

Simulates p-value for dip test

diptest.multi

Diptest for discriminant coordinate projection

discrcoord

Discriminant coordinates/canonical variates

discrete.recode

Recodes mixed variables dataset

discrproj

Linear dimension reduction for classification

distancefactor

Factor for dissimilarity of mixed type data

distcritmulti

Distance based validity criteria for large data sets

distrsimilarity

Similarity of within-cluster distributions to normal and uniform

dridgeline

Density along the ridgeline

dudahart2

Duda-Hart test for splitting

extract.mixturepars

Extract parameters for certain components from mclust

findrep

Finding representatives for cluster border

fixmahal

Mahalanobis Fixed Point Clusters

fixreg

Linear Regression Fixed Point Clusters

flexmixedruns

Fitting mixed Gaussian/multinomial mixtures with flexmix

fpc-package

fpc package overview

fpclusters

Extracting clusters from fixed point cluster objects

itnumber

Number of regression fixed point cluster iterations

jittervar

Jitter variables in a data matrix

kmeansCBI

Interface functions for clustering methods

kmeansruns

k-means with estimating k and initialisations

lcmixed

flexmix method for mixed Gaussian/multinomial mixtures

localshape

Local shape matrix

mahalanodisc

Mahalanobis for AWC

mahalanofix

Mahalanobis distances from center of indexed points

mixpredictive

Prediction strength of merged Gaussian mixture

mvdcoord

Mean/variance differences discriminant coordinates

ncoord

Neighborhood based discriminant coordinates

neginc

Neg-entropy normality index for cluster validation

nselectboot

Selection of the number of clusters via bootstrap

pamk

Partitioning around medoids with estimation of number of clusters

piridge

Ridgeline Pi-function

piridge.zeroes

Extrema of two-component Gaussian mixture

plot.valstat

Simulation-standardised plot and print of cluster validation statistic...

plotcluster

Discriminant projection plot.

prediction.strength

Prediction strength for estimating number of clusters

randcmatrix

Random partition matrix

randconf

Generate a sample indicator vector

randomclustersim

Simulation of validity indexes based on random clusterings

regmix

Mixture Model ML for Clusterwise Linear Regression

rFace

"Face-shaped" clustered benchmark datasets

ridgeline.diagnosis

Ridgeline plots, ratios and unimodality

ridgeline

Ridgeline computation

simmatrix

Extracting intersections between clusters from fpc-object

solvecov

Inversion of (possibly singular) symmetric matrices

sseg

Position in a similarity vector

stupidkaven

Stupid average dissimilarity random clustering

stupidkcentroids

Stupid k-centroids random clustering

stupidkfn

Stupid farthest neighbour random clustering

stupidknn

Stupid nearest neighbour random clustering

tdecomp

Root of singularity-corrected eigenvalue decomposition

tonedata

Tone perception data

unimodal.ind

Is a fitted denisity unimodal or not?

valstat.object

Cluster validation statistics - object

weightplots

Ordered posterior plots

wfu

Weight function (for Mahalabobis distances)

xtable

Partition crosstable with empty clusters

zmisclassification.matrix

Matrix of misclassification probabilities between mixture components

Various methods for clustering and cluster validation. Fixed point clustering. Linear regression clustering. Clustering by merging Gaussian mixture components. Symmetric and asymmetric discriminant projections for visualisation of the separation of groupings. Cluster validation statistics for distance based clustering including corrected Rand index. Standardisation of cluster validation statistics by random clusterings and comparison between many clustering methods and numbers of clusters based on this. Cluster-wise cluster stability assessment. Methods for estimation of the number of clusters: Calinski-Harabasz, Tibshirani and Walther's prediction strength, Fang and Wang's bootstrap stability. Gaussian/multinomial mixture fitting for mixed continuous/categorical variables. Variable-wise statistics for cluster interpretation. DBSCAN clustering. Interface functions for many clustering methods implemented in R, including estimating the number of clusters with kmeans, pam and clara. Modality diagnosis for Gaussian mixtures. For an overview see package?fpc.