Task: Instance Description Understanding (ontology: Sciences/Computer_Science)

Which of the following definitions best describes the instance 'GenePattern module PCA'?

A. A GenePattern software module which is used to generate a heatmap view of data.
B. the instance is a GenePattern software module which uses a k-nearest neighbours clustering with a leave one out cross validation data transformations.
C. the instance is a GenePattern software module which perform a k-nearest neighbors data transformation.
D. the instance is a GenePattern software module which is used to perform a principal components analysis dimensionality reduction data transformation.

Answer: the instance is a GenePattern software module which is used to perform a principal components analysis dimensionality reduction data transformation.