Computation times

00:00.264 total execution time for 6 files from examples/dataset/creation:

Example	Time	Mem (MB)
Dataset (plot_dataset.py)	00:00.104	0.0
Convert a database to a dataset (plot_dataset_from_optimization_problem.py)	00:00.049	0.0
The optimisation dataset (plot_optimization_dataset.py)	00:00.044	0.0
The input-output dataset (plot_io_dataset.py)	00:00.031	0.0
Convert a cache to a dataset (plot_dataset_from_cache.py)	00:00.020	0.0
Dataset from a NumPy array (plot_dataset_from_array.py)	00:00.016	0.0