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Unicode is the modern way that computers encode characters such as the letters in the words you are now reading. Unicode encodes all the world's characters, meaning we can write Hello, Здравствуйте, こんにちは, and a lot more.
Stata supports Unicode, and you can use the full range of characters everywhere. Thus, a dataset created in English might look like this:
The same dataset created in Chinese might look like this:
And the same dataset created in Spanish might look like this:
You may use Unicode in variable names, in labels, and of course in the string variables of your data.
That you can include Unicode in your data is important because data come as they come. Regardless of the language of the data, you can make your output instantly more readable by setting the variable and value labels in the language of your audience. And, if you wish, you can use the full range of Unicode characters for your variable names, notes, and the like. Stata can also convert legacy files from extended ASCII encodings to modern Unicode (UTF-8) encoding.
Unicode literally puts all the world's characters at your fingertips.
Watch Unicode in Stata.
Read more about Unicode support in Stata Data Management Reference Manual; see [D] unicode.
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