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trink / symtseries

C Library providing means of symbolic analysis on time series data currently based on iSAX paper (http://www.cs.ucr.edu/~eamonn/iSAX/iSAX.html)
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Expect the sandbox output of a sax.window/word to be a human readable sax string #27

Closed trink closed 8 years ago

trink commented 9 years ago

The current window output is binary dump of a struct and the word output appears to be a Lua table. I would prefer just the SAX string e.g. ABBAC.

However, it would be nice to account for the cardinality so I am open to other suggestion. The iSAX binary representation isn't unambiguous since we aren't restricted to powers of 2. The exponentiation representation wasn't bad but overkill on every symbol, maybe just tack it onto the end ABBAC^4?

trink commented 9 years ago

i.e. basically a tostring() without a round trip to the sandbox

spolakh commented 8 years ago

What would one expect from the output of window? Values + sax (if available) \ values + parameters \ plain sax or nil if not available (this currently corresponds to actual __tostring)?

trink commented 8 years ago

Yeah, same output as the word