✨ Here is A Road Map if you want a broad view of what is available.
✨ Follow this link if you are looking for the 5th Edition
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All the (updated) code used in the text is in textRcode.md
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Edition 4 errata is here: Errata
 
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The home of astsa - the package for the text is here too.
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See the NEWS for further details about the state of the package and the changelog.
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A demonstration of the capabilities of
astsacan be found here at FUN WITH ASTSA 
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The code in the first 3 chapters of the text has been converted to Python here.
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And a Python package that contains datasets from
astsais here. - 
Why use Python if you can use R? -Mr Natural
 

