对于数据处理的人员来说，数据就是生命线，是一切分析之源。
最近发现一个社会科学相关的数据库，里面都是一些与社会科学相关的数据，如人口，经济，环境等等。虽然我不是搞社会科学的，但还是收藏起来，呵呵。

ICPSR
http://www.icpsr.umich.edu/ICPSR/org/index.html

Established in 1962, ICPSR is an active partner in social science research and instruction throughout the world. ICPSR's unique combination of data resources, user support, and training in quantitative methods make it a vital resource for fostering inquiry and furthering the social sciences.

ICPSR maintains and provides access to a vast archive of social science data for research and instruction. To ensure that data resources are available to future generations of scholars, ICPSR preserves data, migrating them to new storage media as changes in technology warrant.

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