Changes

**This is a potential variable that could link the websites of many different accelerators. The problem with this variable is that the word "portfolio" is also used by numerous venture capital firms, which could potentially cause complications when attempting to pull only the sites of accelerators from a Google search. The word "cohort", however, would have an extremely high probability of identifying the website as belonging to an accelerator. The words "class" and "companies" are promising but do not offer certainty.