PCA.spaghetti.SDA: principal component analysis for symbolic objects described...

Description Usage Arguments Details Value Author(s) References See Also Examples

View source: R/PCA.SDA.r

Description

principal component analysis for symbolic objects described by symbolic interavl variables. Spaghetti algorithm

Usage

1
PCA.spaghetti.SDA(t,pc.number=2)

Arguments

t

symbolic interval data: a 3-dimensional table, first dimension represents object number, second dimension - variable number, and third dimension contains lower- and upper-bounds of intervals (Simple form of symbolic data table)

pc.number

number of principal components

Details

See file ../doc/PCA_SDA.pdf for further details

Value

Data in reduced space (symbolic interval data: a 3-dimensional table)

Author(s)

Andrzej Dudek andrzej.dudek@ue.wroc.pl

Department of Econometrics and Computer Science, University of Economics, Wroclaw, Poland http://keii.ue.wroc.pl/symbolicDA

References

Billard L., Diday E. (eds.) (2006), Symbolic Data Analysis, Conceptual Statistics and Data Mining, John Wiley & Sons, Chichester.

Bock H.H., Diday E. (eds.) (2000), Analysis of symbolic data. Explanatory methods for extracting statistical information from complex data, Springer-Verlag, Berlin.

Diday E., Noirhomme-Fraiture M. (eds.) (2008), Symbolic Data Analysis with SODAS Software, John Wiley & Sons, Chichester.

See Also

PCA.centers.SDA, PCA.mrpca.SDA, PCA.spca.SDA, PCA.vertices.SDA

Examples

1
# Example will be available in next version of package, thank You for your patience :-)

Example output

Loading required package: clusterSim
Loading required package: cluster
Loading required package: MASS
Loading required package: XML

Attaching package: 'symbolicDA'

The following object is masked from 'package:clusterSim':

    .medoid

Warning messages:
1: In rgl.init(initValue, onlyNULL) : RGL: unable to open X11 display
2: 'rgl_init' failed, running with rgl.useNULL = TRUE 
3: .onUnload failed in unloadNamespace() for 'rgl', details:
  call: fun(...)
  error: object 'rgl_quit' not found 

symbolicDA documentation built on Aug. 8, 2019, 5:03 p.m.