new("big.matrix.descriptor", description = list(sharedType = "FileBacked", 
    filename = "mvpPC.pc.bin", dirname = "./", totalRows = 598L, 
    totalCols = 5L, rowOffset = c(0, 598), colOffset = c(0, 5
    ), nrow = 598, ncol = 5, rowNames = NULL, colNames = NULL, 
    type = "double", separated = FALSE))