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Suppose, there's no data set X yet. Let's create a data set called X. Let's create a data set X. Do we need the "a" before "data set" in the previous sentence?

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  • Depends on the context/intent.
    – Hot Licks
    Jan 4, 2021 at 22:37
  • The context is we are about to initialize a data set called X and assign it some value. Or a set of values rather.
    – tim afo
    Jan 4, 2021 at 22:57
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    Have you already described the nature of the data set?
    – Hot Licks
    Jan 4, 2021 at 23:11
  • Oh, now I understand. Thank you.
    – tim afo
    Jan 5, 2021 at 10:51

1 Answer 1

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Suppose, there's no data set X yet. Let's create a data set called X. Let's create a data set X. Do we need the "a" before "data set" in the previous sentence?

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If you have already discussed X - even in theory - then you can use its name. Names don't require an article.

Example

Soon we will create a dataset and call it X.
(5 minutes go by)
Now we are ready. Let's create data set X. (X already has a name)


If you haven't mentioned X then you must refer to "a dataset" and then name it afterwards.

Let's create a data set X.

This is equivalent to

Let's create a data set and name it X.

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  • Thank you, that's very helpful.
    – tim afo
    Jan 5, 2021 at 10:52

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