trimmOutl {Anthropometry}

Helper generic function for obtaining the trimmed and outlier observations

Description

The methodologies included in this package which are developed to the clothing design problem take into account that a clothing sizing system is intended to cover only what we could call standard population, leaving out those individuals who are extreme respect to a set of measurements. For "trimowa", "TDDclust and "kmeansProcrustes" (which refers to as trimmedLloydShapes in this case) these individuals are called trimmed individuals. For the "hipamAnthropom" methodology these individuals are called outlier individuals.

This auxiliary generic function allows the user to identify the discarded individuals computed by each method in an easy way.

Usage

trimmOutl(resMethod, nsizes)
## S3 method for class 'trimowa'
 trimmOutl(resMethod, nsizes)
## S3 method for class 'hipamAnthropom'
 trimmOutl(resMethod, nsizes)

Arguments

resMethod

This is the object which saves the results obtained by the aforementioned methodologies and which contains the discarded individuals to return.

nsizes

Number of bust sizes. This argument is needed for the "trimowa" and "hipamAnthropom" methodologies because they can compute the prototypes for any given number of bust sizes.

Value

A vector of class trimmOutl with the discarded observations.

Author(s)

Guillermo Vinue

References

Ibanez, M. V., Vinue, G., Alemany, S., Simo, A., Epifanio, I., Domingo, J., and Ayala, G., (2012). Apparel sizing using trimmed PAM and OWA operators, Expert Systems with Applications 39, 10512–10520.

Vinue, G., Leon, T., Alemany, S., and Ayala, G., (2014). Looking for representative fit models for apparel sizing, Decision Support Systems 57, 22–33.

Vinue, G., Simo, A., and Alemany, S., (2016). The k-means algorithm for 3D shapes with an application to apparel design, Advances in Data Analysis and Classification 10(1), 103–132.

Vinue, G., and Ibanez, M. V., (2014). Data depth and Biclustering applied to anthropometric data. Exploring their utility in apparel design. Technical report.

See Also

trimowa, TDDclust, hipamAnthropom, LloydShapes, HartiganShapes, trimmedLloydShapes

Examples

#CLUSTERING INDIVIDUALS ACCORDING TO THEIR SHAPE:
landmarksNoNa <- na.exclude(landmarksSampleSpaSurv)
dim(landmarksNoNa) 
#[1] 574 198 
numLandmarks <- (dim(landmarksNoNa)[2]) / 3
#[1] 66
#As a toy example, only the first 10 individuals are used.
landmarksNoNa_First10 <- landmarksNoNa[1:10, ] 
(numIndiv <- dim(landmarksNoNa_First10)[1])
#[1] 10         
    
array3D <- array3Dlandm(numLandmarks, numIndiv, landmarksNoNa_First10)

numClust <- 2 ; alpha <- 0.01 ; algSteps <- 1 ; niter <- 1 ; stopCr <- 0.0001
#For reproducing results, seed for randomness:
#suppressWarnings(RNGversion("3.5.0"))
#set.seed(2013)
res_kmeansProc <- trimmedLloydShapes(array3D, numIndiv, alpha, numClust, 
                                     algSteps, niter, stopCr, FALSE)

trimmed <- trimmOutl(res_kmeansProc)