Don't take my word for it, take theirs. Here is one of their documents. http://www.noisyroom.net/blog/STORMSummation.pdf http://www.noisyroom.net/blog/STORMSum

Don't take my word for it, take theirs. Here is one of their documents. http://www.noisyroom.net/blog/STORMSummation.pdf http://www.noisyroom.net/blog/STORMSummation.pdf