This file is indexed.

/usr/lib/R/library/cluster/INDEX is in r-cran-cluster 2.0.6-2build1.

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The actual contents of the file can be viewed below.

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agnes			Agglomerative Nesting
clara			Clustering Large Applications
daisy			Dissimilarity Matrix Calculation
diana                   DIvisive ANAlysis Clustering
fanny			Fuzzy Analysis Clustering
mona			MONothetic Analysis Clustering of Binary Variables
pam			Partitioning Around Medoids

dissimilarity.object	Dissimilarity Matrix Object
partition.object	Partitioning Object
twins.object		Hierarchical Clustering Object

agnes.object		Agglomerative Nesting (AGNES) Object
clara.object		Clustering Large Applications (CLARA) Object
diana.object		Divisive Analysis (DIANA) Object
fanny.object		Fuzzy Analysis (FANNY) Object
mona.object		Monothetic Analysis (MONA) Object
pam.object		Partitioning Around Medoids (PAM) Object
sizeDiss		Sample Size of Dissimilarity Like Object

clusplot		Cluster Plot - Generic Function
clusplot.default	Bivariate Cluster Plot (Clusplot) Default Method
clusplot.partition	Bivariate Clusplot of a Partitioning Object
coef.hclust             Agglomerative Coefficient for 'hclust' Objects
pltree			Clustering Trees - Generic Function
pltree.twins		Clustering Tree of a Hierarchical Clustering

bannerplot		Plot Banner (of Hierarchical Clustering)
silhouette		Compute or Extract Silhouette Information from
			Clustering
ellipsoidhull		Compute the Ellipsoid Hull or Spanning Ellipsoid
			of a Point Set
predict.ellipsoid	Predict Method for Ellipsoid Objects
volume.ellipsoid	Compute the Volume of Planar Object
lower.to.upper.tri.inds Permute Indices for Triangular Matrices

plot.agnes		Plots of an Agglomerative Hierarchical Clustering
plot.diana		Plots of a Divisive Hierarchical Clustering
plot.mona		Banner of Monothetic Divisive Hierarchical Clusterings
plot.partition		Plot of a Partition of the Data Set
print.dissimilarity	Print and Summary Methods for Dissimilarity Objects
print.agnes		Print Method for AGNES Objects
print.clara		Print Method for CLARA Objects
print.diana		Print Method for DIANA Objects
print.fanny		Print Method for FANNY Objects
print.mona		Print Method for MONA Objects
print.pam		Print Method for PAM Objects
summary.agnes		Summary Method for 'agnes' Objects
summary.clara		Summary Method for 'clara' Objects
summary.diana		Summary Method for 'diana' Objects
summary.fanny		Summary Method for 'fanny' Objects
summary.mona		Summary Method for 'mona'  Objects
summary.pam		Summary Method for PAM Objects
cluster-internal        Internal cluster functions


	  DATASETS

agriculture		European Union Agricultural Workforces
animals			Attributes of Animals
flower			Flower Characteristics
pluton                  Isotopic Composition Plutonium Batches
ruspini			Ruspini Data
votes.repub		Votes for Republican Candidate in Presidential Elections
xclara			Bivariate Data Set with 3 Clusters