internet3D: gamma-package for internet3D

#' @name cancer
#' @title Microarray data set for breast cancer
#'
#' @description This gene expression data set is freely available, coming from 
#' the Hess \emph{et al}'s paper. It concerns one hundred thirty-three patients 
#' with stage I--III breast cancer.  Patients were treated with chemotherapy 
#' prior to surgery. Patient response to the treatment can be classified as 
#' either a pathologic complete response (pCR) or residual disease (not-pCR). 
#' Hess \emph{et al} developed and tested a reliable multigene predictor for 
#' treatment response on this data set, composed by a set of 26 genes having a 
#' high predictive value.
#' @format Two objects \code{expr} (a 26 by 133 matrix with expression levels)
#' and \code{conditions} a vector of conditions for the 26 patients.
#' @references K.R. Hess, K. Anderson, W.F. Symmans, V. Valero, N. Ibrahim, J.A.
#' Mejia, D. Booser, R.L. Theriault, U.  Buzdar, P.J. Dempsey, R. Rouzier, N. 
#' Sneige, J.S. Ross, T. Vidaurre, H.L. Gomez, G.N. Hortobagyi, and L. Pustzai 
#' (2006) Pharmacogenomic predictor of sensitivity to preoperative chemotherapy 
#' with Paclitaxel and Fluorouracil, Doxorubicin, and Cyclophosphamide in breast
#' cancer, \emph{Journal of Clinical Oncology}, vol. 24(26), pp. 4236--4244.

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