Learn R Programming

⚠️There's a newer version (2.2-13) of this package.Take me there.

fpc (version 2.1-9)

Flexible procedures for clustering

Description

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. 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.

Copy Link

Version

Install

install.packages('fpc')

Monthly Downloads

21,008

Version

2.1-9

License

GPL

Maintainer

Christian Hennig

Last Published

October 2nd, 2014

Functions in fpc (2.1-9)

calinhara

Calinski-Harabasz index
discrproj

Linear dimension reduction for classification
dridgeline

Density along the ridgeline
awcoord

Asymmetric weighted discriminant coordinates
clujaccard

Jaccard similarity between logical vectors
discrete.recode

Recodes mixed variables dataset
ancoord

Asymmetric neighborhood based discriminant coordinates
zmisclassification.matrix

Matrix of misclassification probabilities between mixture components
can

Generation of the tuning constant for regression fixed point clusters
adcoord

Asymmetric discriminant coordinates
extract.mixturepars

Extract parameters for certain components from mclust
kmeansruns

k-means with estimating k and initialisations
cluster.stats

Cluster validation statistics
cluster.varstats

Variablewise statistics for clusters
cat2bin

Recode nominal variables to binary variables
fpc-package

fpc package overview
lcmixed

flexmix method for mixed Gaussian/multinomial mixtures
cmahal

Generation of tuning constant for Mahalanobis fixed point clusters.
itnumber

Number of regression fixed point cluster iterations
cweight

Weight function for AWC
diptest.multi

Diptest for discriminant coordinate projection
regmix

Mixture Model ML for Clusterwise Linear Regression
con.comp

Connectivity components of an undirected graph
flexmixedruns

Fitting mixed Gaussian/multinomial mixtures with flexmix
bhattacharyya.dist

Bhattacharyya distance between Gaussian distributions
mixpredictive

Prediction strength of merged Gaussian mixture
mixdens

Density of multivariate Gaussian mixture, mclust parameterisation
dbscan

DBSCAN density reachability and connectivity clustering
ridgeline

Ridgeline computation
kmeansCBI

Interface functions for clustering methods
fixreg

Linear Regression Fixed Point Clusters
prediction.strength

Prediction strength for estimating number of clusters
distcritmulti

Distance based validity criteria for large data sets
plotcluster

Discriminant projection plot.
wfu

Weight function (for Mahalabobis distances)
bhattacharyya.matrix

Matrix of pairwise Bhattacharyya distances
mergenormals

Clustering by merging Gaussian mixture components
randcmatrix

Random partition matrix
mahalanodisc

Mahalanobis for AWC
classifdist

Classification of unclustered points
tonedata

Tone perception data
randconf

Generate a sample indicator vector
sseg

Position in a similarity vector
nselectboot

Selection of the number of clusters via bootstrap
piridge

Ridgeline Pi-function
discrcoord

Discriminant coordinates/canonical variates
fixmahal

Mahalanobis Fixed Point Clusters
mergeparameters

New parameters from merging two Gaussian mixture components
batcoord

Bhattacharyya discriminant projection
clusterboot

Clusterwise cluster stability assessment by resampling
rFace

"Face-shaped" clustered benchmark datasets
ridgeline.diagnosis

Ridgeline plots, ratios and unimodality
dudahart2

Duda-Hart test for splitting
mahalconf

Mahalanobis fixed point clusters initial configuration
clusexpect

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

Mahalanobis distances from center of indexed points
minsize

Minimum size of regression fixed point cluster
simmatrix

Extracting intersections between clusters from fpc-object
unimodal.ind

Is a fitted denisity unimodal or not?
fpclusters

Extracting clusters from fixed point cluster objects
ncoord

Neighborhood based discriminant coordinates
localshape

Local shape matrix
weightplots

Ordered posterior plots
distancefactor

Factor for dissimilarity of mixed type data
mvdcoord

Mean/variance differences discriminant coordinates
dipp.tantrum

Simulates p-value for dip test
clucols

Sets of colours and symbols for cluster plotting
cov.wml

Weighted Covariance Matrices (Maximum Likelihood)
jittervar

Jitter variables in a data matrix
confusion

Misclassification probabilities in mixtures
pamk

Partitioning around medoids with estimation of number of clusters
solvecov

Inversion of (possibly singular) symmetric matrices
tdecomp

Root of singularity-corrected eigenvalue decomposition
piridge.zeroes

Extrema of two-component Gaussian mixture