A data point is a single unit of information.

A data set is a collection of data points (also known as a data series).

Is there a word for a collection of data sets?

I don't simply want to use "data sets" because of the context; it is important they look distinct at a glance.

  • One word used in the RDBMS space is "catalog". – Dan Bron Sep 24 '14 at 17:30
  • What about a "data collection" or a "database"? But it seems like part of your trouble is in allowing two names "set" and "series" for the same thing. If you kept "series" as a collection of points, then "set" can be a collection of "series" – Jim Sep 24 '14 at 17:40
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    "data" is the plural of "datum", which means a single unit of information. Thus, data is a collection of datums, and a data set is a collection of collections of datums. – Core Xii Sep 24 '14 at 19:20

Superset is often used to refer to a set of sets, see http://en.wiktionary.org/wiki/superset.

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    Mathematically speaking, a superset is not a set of sets. A superset is a set that contains all the elements of another set. E.g. A = {1,2,3,4} is a subset of B = {1,2,3,4,5}. B is a superset of A, although it is still just a regular set. – Matt E. Эллен Sep 24 '14 at 19:22
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    Agreed, I was thinking more about body building. – painfulenglish Sep 24 '14 at 20:57
  • the true context of the question is charting software – ryand Sep 24 '14 at 21:28

It can also be referred to as a family of sets



In software, especially when dealing with taxonomy relations, you will often use the word parent. So you would talk about parent sets and child sets with points existing in the children.

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