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32 cmahal Author(s) Christian Hennig http://www.homepages.ucl.ac.uk/~ucakche/ References Hennig, C. (2007) Cluster-wise assessment of cluster stability. Computational Statistics and Data Analysis, 52, 258-271. Hennig, C. (2008) Dissolution point and isolation robustness: robustness criteria for general cluster analysis methods. Journal of Multivariate Analysis 99, 1154-1176. See Also dist, interface functions: kmeansCBI, hclustCBI, hclusttreeCBI, disthclustCBI, noisemclustCBI, distnoisemclustCBI, claraCBI, pamkCBI, trimkmeansCBI, disttrimkmeansCBI, dbscanCBI, mahalCBI Examples set.seed(20000) face
cmahal 33 Arguments n p nmin cmin nc1 c1 q positive integer. Number of points. positive integer. Number of variables. integer larger than 1. Smallest number of points for which ca is computed. For smaller FPC sizes, ca is set to the value for nmin. positive number. Minimum value for ca. positive integer. Number of points at which ca=c1. positive numeric. Tuning constant for cmahal. Value for ca for FPC size equal to nc1. numeric between 0 and 1. 1 for steepest possible descent of ca as function of the FPC size. Should presumably always be 1. Details Some experiments suggest that the tuning constant ca should decrease with increasing FPC size and increase with increasing p in fixmahal. This is to prevent too small meaningless FPCs while maintaining the significant larger ones. cmahal with q=1 computes ca in such a way that as long as ca>cmin, the decrease in n is as steep as possible in order to maintain the validity of the convergence theorem in Hennig and Christlieb (2002). Value A numeric vector of length n, giving the values for ca for all FPC sizes smaller or equal to n. Author(s) Christian Hennig http://www.homepages.ucl.ac.uk/~ucakche/ References Hennig, C. and Christlieb, N. (2002) Validating visual clusters in large datasets: Fixed point clusters of spectral features, Computational Statistics and Data Analysis 40, 723-739. See Also fixmahal Examples plot(1:100,cmahal(100,3,nmin=5,cmin=qchisq(0.99,3),nc1=90), xlab="FPC size", ylab="cmahal")
Page 1 and 2: Title Flexible procedures for clust
Page 3 and 4: fpc-package 3 mergenormals . . . .
Page 5 and 6: adcoord 5 Author(s) Christian Henni
Page 7 and 8: ancoord 7 ancoord Asymmetric neighb
Page 9 and 10: awcoord 9 Arguments xd clvecd clnum
Page 11 and 12: atcoord 11 dom string. dom="mean" m
Page 13 and 14: hattacharyya.matrix 13 References F
Page 15 and 16: can 15 See Also cluster.stats Examp
Page 17 and 18: classifdist 17 Examples set.seed(77
Page 19 and 20: clucols 19 clucols Sets of colours
Page 21 and 22: cluster.stats 21 Arguments n p cn i
Page 23 and 24: cluster.stats 23 Value cluster.stat
Page 25 and 26: cluster.varstats 25 See Also silhou
Page 27 and 28: clusterboot 27 fcc
Page 29 and 30: clusterboot 29 subtuning clustermet
Page 31: clusterboot 31 Value dbscanCBI an i
Page 35 and 36: confusion 35 # The same should be p
Page 37 and 38: cweight 37 Examples x
Page 39 and 40: dbscan 39 Details Value Clusters re
Page 41 and 42: diptest.multi 41 References J. A. H
Page 43 and 44: discrete.recode 43 Author(s) Christ
Page 45 and 46: discrproj 45 Usage discrproj(x, clv
Page 47 and 48: distancefactor 47 Arguments cat n c
Page 49 and 50: dridgeline 49 References Halkidi, M
Page 51 and 52: extract.mixturepars 51 Author(s) Ch
Page 53 and 54: fixmahal 53 ## S3 method for class
Page 55 and 56: fixmahal 55 Details Value A (crisp)
Page 57 and 58: fixmahal 57 calpha pointit subset m
Page 59 and 60: fixreg 59 Usage linear regression r
Page 61 and 62: fixreg 61 pch col gv Details Value
Page 63 and 64: fixreg 63 sim coef var g coll vecto
Page 65 and 66: flexmixedruns 65 Details Value disc
Page 67 and 68: fpclusters 67 fpclusters Extracting
Page 69 and 70: kmeansCBI 69 Arguments x jitterv fa
Page 71 and 72: kmeansCBI 71 k scaling runs criteri
Page 73 and 74: kmeansCBI 73 Value claraCBI an inte
Page 75 and 76: kmeansruns 75 Value iter.max runs s
Page 77 and 78: localshape 77 Details Value The dat
Page 79 and 80: mahalanofix 79 Arguments x2 mg covg
Page 81 and 82: mahalconf 81 mahalconf Mahalanobis
Page 83 and 84:
mergenormals 83 numberstop renumber
Page 85 and 86:
mergeparameters 85 Tantrum, J., Mur
Page 87 and 88:
mixdens 87 Arguments n positive int
Page 89 and 90:
mixpredictive 89 Details The predic
Page 91 and 92:
ncoord 91 See Also plotcluster for
Page 93 and 94:
nselectboot 93 nselectboot Selectio
Page 95 and 96:
pamk 95 Arguments data krange crite
Page 97 and 98:
piridge.zeroes 97 Author(s) Christi
Page 99 and 100:
plotcluster 99 "arc" asymmetric dis
Page 101 and 102:
prediction.strength 101 Arguments x
Page 103 and 104:
andconf 103 Value An n*cln-matrix.
Page 105 and 106:
egmix 105 Details The result of the
Page 107 and 108:
Face 107 Arguments n p nrep.top smi
Page 109 and 110:
idgeline.diagnosis 109 ridgeline.di
Page 111 and 112:
solvecov 111 Arguments fpcobj an ob
Page 113 and 114:
tdecomp 113 tdecomp Root of singula
Page 115 and 116:
weightplots 115 Arguments y numeric
Page 117 and 118:
zmisclassification.matrix 117 Argum
Page 119 and 120:
Index ∗Topic arith can, 15 cweigh
Page 121 and 122:
INDEX 121 dip.test, 40, 41, 83 dipp
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