As one of the comments on the page pointed out, the article skips one of the most important time series analysis, namely symbolic aggregate approximation (SAX -

As one of the comments on the page pointed out, the article skips one of the most important time series analysis, namely symbolic aggregate approximation (SAX - http://www.cs.ucr.edu/~eamonn/SAX.htm http://www.cs.ucr.edu/~eamonn/SAX.htm)