Do you want to read this?
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Mata is new and many of you have not tried it yet.
I fear that if you read this question and answer, you will never use Mata.
You will come to the conclusion that Mata is suitable only for advanced
programming problems and that using Mata requires knowledge that you do
not have, nor much care to gain.
That would be unfortunate, because Mata really is easy to use and is worth
learning. 99.99% of all problems that will ever be approached using Mata will
not involve the topics discussed below. Do not hold it against Mata that it
can deal with the 0.01% of problems, too.