distClust
(Package: biotools) :
Cluster Distance Matrix
Function to compute a matrix of average distances within and between clusters.
● Data Source:
CranContrib
● Keywords:
● Alias: distClust
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D2.dist
(Package: biotools) :
Pairwise Squared Generalized Mahalanobis Distances
Function to calculate the squared generalized Mahalanobis distance between all pairs of rows in a data frame with respect to a covariance matrix. The element of the i-th row and j-th column of the distance matrix is defined as
● Data Source:
CranContrib
● Keywords:
● Alias: D2.dist
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Power calculation of Mantel's permutation test.
● Data Source:
CranContrib
● Keywords:
● Alias: mantelPower
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aer
(Package: biotools) :
Apparent Error Rate
A function to calculate the apparent error rate of two classification vectors, i.e., the proportion of observed cases incorrectly predicted. It can be useful for evaluating discriminant analysis or other classification systems.
● Data Source:
CranContrib
● Keywords:
● Alias: aer
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creategroups
(Package: biotools) :
Creating Homogeneous Groups
A function to create homogeneous groups of named objects according to an objective function evaluated at a covariate. It can be useful to design experiments which contain a fixed covariate factor.
● Data Source:
CranContrib
● Keywords:
● Alias: creategroups
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cov2pcov
(Package: biotools) :
Partial Covariance Matrix
Compute a matrix of partial (co)variances for a group of variables with respect to another.
● Data Source:
CranContrib
● Keywords:
● Alias: cov2pcov
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multcor.test
(Package: biotools) :
Pairwise Correlation t-Test
It performs multiple correlation t-tests from a correlation matrix based on the statistic:
● Data Source:
CranContrib
● Keywords:
● Alias: multcor.test
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tocher
(Package: biotools) :
Tocher's Clustering
tocher performs the Tocher (Rao, 1952) optimization clustering from a distance matrix. The cophenetic distance matrix for a Tocher's clustering can also be computed using the methodology proposed by Silva & Dias (2013).
● Data Source:
CranContrib
● Keywords:
● Alias: coph.tocher, cophenetic.tocher, print.tocher, tocher, tocher.dist
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optimumplotsize
(Package: biotools) :
Maximum Curvature Point for Optimum Plot Size
The Meier & Lessman (1971) method to determine the maximum curvature point for optimum plot size as a function of the experimental coefficient of variation.
● Data Source:
CranContrib
● Keywords:
● Alias: optimumplotsize
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raise.matrix
(Package: biotools) :
Raising a Square Matrix to a Power
raise.matrix raises a square matrix to a power by using spectral decomposition.
● Data Source:
CranContrib
● Keywords:
● Alias: raise.matrix
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