new("big.matrix.descriptor", description = list(sharedType = "FileBacked", 
    filename = "mvp.imp.geno.bin", dirname = "./", totalRows = 15L, 
    totalCols = 10L, rowOffset = c(0, 15), colOffset = c(0, 10
    ), nrow = 15, ncol = 10, rowNames = NULL, colNames = NULL, 
    type = "char", separated = FALSE))
