Preimage {chickn}R Documentation

Preimage

Description

Consensus chromatogram computation.

Usage

Preimage(
  Data,
  K_W1,
  C_out,
  Cl_assign,
  max_Nsize = 32,
  ncores = 4,
  DIR_out = getwd(),
  BIG = FALSE
)

Arguments

Data

A Filebacked Big Matrix n x N. Data signals are stored in the matrix columns.

K_W1

A Filebacked Big Matrix of the Nystrom kernel matrix s \times N, where N is the number of signal in the training collection and s is the Nystrom sample size.

C_out

A Filebacked Big Matrix of cluster centroids.

Cl_assign

A Filebacked Big matrix of the cluster assignment.

max_Nsize

Maxumum number of neighbors.

ncores

Number of cores.

DIR_out

A directory to save the result, by default it is the working directory.

BIG

logical parameter that controls whether the resulting consensus chromatograms are stored as a Filebacked Big Matrix ('Centroid_preimage.bk'). Default is FALSE.

Value

A matrix or a Filebacked Big Matrix if BIG = TRUE.


[Package chickn version 1.2.3 Index]