Unfortunately, available datasets do not come that way.
Most of the time they don't even come with any indication of which type of 'distance' they contain. They are just abstract sets of numbers that might represent time, litres, candles, dollars, similarities etc.
The dataset's only requirement to be useful for research purposes, is that they have known solutions; and the desire to visualise them does not go away because they are inconvenient.
With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.