foruse {yaImpute} | R Documentation |
Provides a matrix of all observations with the reference observation identification best used to represent it, followed by the distance.
foruse(object,kth=NULL)
object |
an object created by yai |
kth |
when NULL, the best pick is reported, otherwise the kth neighbor is picked. |
Nicholas L. Crookston ncrookston@fs.fed.us
Andrew O. Finley finleya@msu.edu
require(yaImpute) data(iris) # form some test data refs=sample(rownames(iris),50) x <- iris[,1:3] # Sepal.Length Sepal.Width Petal.Length y <- iris[refs,4:5] # Petal.Width Species # build a yai object using mahalanobis mal <- yai(x=x,y=y,method="mahalanobis",k=3) foruse(mal) # for references, use is equal to the rowname foruse(mal,kth=1) # for references, use is an row to the kth reference. # get all the choices: cbind(foruse(mal),foruse(mal,kth=1),foruse(mal,kth=2),foruse(mal,kth=3))