It uses various analysis forms and explains how getting your ducks in a row can help you earn a profit from binary options. (best-binary-options-strategy.com)
A 30 - year period was determined to represent the statistical normal through various analyses. (realclimate.org)
This conclusion is consistent with the evidence here, here & here from various analyses that show that these possible problems haven't had any significant effect on the result. (skepticalscience.com)