Ecology data set
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资源简介：
The gender, hair color and whether or not the students were wearing glasses at Keele campus of York University was observed and recorded by a team of four students. The observation were made at approximately 2:45pm on the 17th of September 2014. The gender and hair color were done by visual identification but in the case of students with more than one hair colour they were asked which was the real color. The criteria for students wearing glasses included both medicated and sun glasses.
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Chioma Akani创建时间：
2014-09-19
