Computation times

00:01.489 total execution time for 3 files from examples/mlearning/transformer:

Example	Time	Mem (MB)
Scaling (plot_scaling_data.py)	00:01.328	0.0
Scalers (plot_scaler.py)	00:00.159	0.0
Pipeline (plot_pipeline.py)	00:00.003	0.0