How do you plan to analyse the data?
One answer is to say I don't know. But a better answer is to say:
1) Filtering to remove silly results and find and fix for objects that not the corect ones (e.g. where the Object is a foreground star)
(Done for some draft data as a proof of method)
2) Bringing the results together with SDSS data under CasJobs, so all the useful photometric data can be extracted from SDSS for the objects under study (colour etc). (done for some draft data as a proof of method)
3) Each classification question can be evaluated in more than one way depending on what is wanted. For example the "Cores" question can bring together the possibles and yeses to give a set where most people think there are cores, or one can only use the hard yeses for the certain cases, or give a waiting for yes, greater than the possibles, for an alternative view.
4) There are many many subsets of the data can be selected, one may only want clear images, or those with cores, more than 10 star forming regions or what ever.
5) One possibility is to then "plot anything against anything" (done a little)
But I think it is better to operate in a more structured way:
e.g. Alice is thinking about the relationship of Irregulars with other nearby galaxies. I am wondering about the progression between the truly irregular and regular spirals, also about the shapes of some of them. And I know Jules has a question in mind as well.
The more I look at them the more questions come to mind. Some may be harder than others, as some aspects of the irregulars can not (as far as I know) be derived from this data.