Computation times

00:00.290 total execution time for 6 files from examples/dataset/creation:

Example	Time	Mem (MB)
Dataset (plot_dataset.py)	00:00.112	0.0
Convert a database to a dataset (plot_dataset_from_optimization_problem.py)	00:00.060	0.0
The optimisation dataset (plot_optimization_dataset.py)	00:00.048	0.0
The input-output dataset (plot_io_dataset.py)	00:00.032	0.0
Convert a cache to a dataset (plot_dataset_from_cache.py)	00:00.021	0.0
Dataset from a NumPy array (plot_dataset_from_array.py)	00:00.017	0.0