unmap | R Documentation |
Converts a class or group vector or factor into a matrix of indicator variables. I got this function from the mixOmics package.
unmap(classification, groups = NULL, noise = NULL, ...)
classification |
A numeric or character vector or factor. Typically the distinct entries of this vector would represent a classification of observations in a data set. |
groups |
A numeric or character vector indicating the groups from which
|
noise |
A single numeric or character value used to indicate the value of
|
... |
Catches unused arguments in indirect or list calls via |
An n by K matrix of (0,1) indicator variables, where n is the length of samples and K the number of classes in the outcome.
If a noise
value of symbol is designated, the corresponding indicator
variables are relocated to the last column of the matrix.
Note:
- you can remap an unmap vector using the function map
from the package mclust.
Rico Derks
C. Fraley and A. E. Raftery (2002). Model-based clustering, discriminant analysis, and density estimation. Journal of the American Statistical Association 97:611-631.
C. Fraley, A. E. Raftery, T. B. Murphy and L. Scrucca (2012). mclust Version 4 for R: Normal Mixture Modeling for Model-Based Clustering, Classification, and Density Estimation. Technical Report No. 597, Department of Statistics, University of Washington.
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