private static DataSet run(RandomizedProjectionFilter rca, DataSet original) {
System.out.println("The projection matrix");
System.out.println(rca.getProjection());
DataSet transformed = original.copy();
rca.filter(transformed);
return transformed;
}
private static DataSet reconstruct(RandomizedProjectionFilter rca, DataSet transformed) {
DataSet reconstructed = transformed.copy();
rca.reverse(reconstructed);
return reconstructed;
}