The following professional-grade software packages allow you to manipulate and visualize quantitative data in very complex ways:
How do I choose?
Choosing statistical software (online video, 36 minutes)
Choosing the correct statistical test in SAS, STATA, SPSS, and R Institute for Digital Education & Research, UCLA)
CUNY is a member of ICPSR (Inter-University Consortium of Political and Social Reseach), a data archive that specializes in long term preservation. CUNY staff, students, and faculty have access to the extensive ICPSR data holdings and other member services such as data curation, data management expertise, and resources for teaching with data.