dmahal
(Package: ICGE) :
Mahalanobis Distance
dmahal computes and returns the Mahalanobis distance matrix between the rows of a data matrix.
● Data Source:
CranContrib
● Keywords: multivariate
● Alias: dmahal
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dgower
(Package: ICGE) :
Gower Distance for Mixed Variables
dgower computes and returns the Gower distance matrix for mixed variables.
● Data Source:
CranContrib
● Keywords: multivariate
● Alias: dgower
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dbhatta
(Package: ICGE) :
Bhattacharyya Distance
dbhatta computes and returns the Bhattacharyya distance matrix between the rows of a data matrix. This distance is defined between two units i=(p_{i1},...,p_{im}) and j=(p_{j1},...,p_{jm}) being p_{kl} frequencies with p_{kl}>=0 and p_{k1}+...+p_{km}=1.
● Data Source:
CranContrib
● Keywords: multivariate
● Alias: dbhatta
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INCAnumclu
(Package: ICGE) :
Estimation of Number of Clusters in Data
INCAnumclu helps to estimate the number of clusters in a dataset. The INCA index associated to different partitions with different number of clusters is calculated.
● Data Source:
CranContrib
● Keywords: cluster, multivariate
● Alias: INCAnumclu, plot.incanc, print.incanc
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vgeo
(Package: ICGE) :
Geometric Variability
Assume that n units are divided into k groups C1,...,Ck. The function calculates the geometrical variability for each group in data.
● Data Source:
CranContrib
● Keywords: multivariate
● Alias: vgeo
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Assume that n units are divided into k groups C1,...,Ck. Function INCAtest performs the typicality INCA test. Therein, the null hypothesis that a new unit x0 is a typical unit with respect to a previously fixed partition is tested versus the alternative hypothesis that the unit is atypical.
● Data Source:
CranContrib
● Keywords: cluster, multivariate
● Alias: INCAtest, print.incat, summary.incat
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dcor
(Package: ICGE) :
Correlation Distance
dcor computes and returns the Correlation distance matrix between the rows of a data matrix. This distance is defined by d=√{1-r}.
● Data Source:
CranContrib
● Keywords: multivariate
● Alias: dcor
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deltas
(Package: ICGE) :
Distance Between Groups
Assume that n units are divided into k groups C1,...,Ck . Function deltas computes and returns the distance between each pair of groups. It uses the distances between pairs of units.
● Data Source:
CranContrib
● Keywords: multivariate
● Alias: deltas
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INCAindex helps to estimate the number of clusters in a dataset.
● Data Source:
CranContrib
● Keywords: cluster, multivariate
● Alias: INCAindex, plot.incaix, print.incaix, summary.incaix
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1 images
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dproc2
(Package: ICGE) :
Modified Procrustes distance
dproc2 computes and returns all the pairwise procrustes distances between genes in a time course experiment, using their expression profile.
● Data Source:
CranContrib
● Keywords: multivariate
● Alias: dproc2
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