**Introduction**

Knowing how to generate random numbers can be useful. For example, if you have ordered data that you need to shuffle, random numbers can help you. In this blog entry, we’ll show you to generate random numbers in Stata.

**Generate Random Data**

set obs 1000

gen random = runiform(0,100)

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This command creates 1,000 values for a variable, random, that vary randomly between 0 and 100):

Now, if you like, you can **round** the random variable or create a **cloned** version of it to round.

**Using Randomness**

Let’s say that you have a **sequentially ordered** variable called sequence that runs from 1 to 1,000. Use the following code to add this variable and see it alongside your random variable:

gen sequence = _n

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You can now use Stata’s **sort** command to sort on random, not subject. Afterwards, you will have successfully randomized sequence (and any other values that are associated with sequence). For example, if the sequence variable consists of participant numbers, and there are data associated with each participant, you would now also have randomized the order of these data, although they would still be associated with the correct participants.

sort random

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If you have no additional use for the random variable after using it to randomize the order of the sequence variable, you can **drop** it:

drop random

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