[R] how to proof the trend of two columns of data?

vod vos vodvos at zoho.com
Mon Jan 9 15:55:44 CET 2017

Hello everyone,

If there are two columns, one is age (numeric, cut to several groups), the other is hair color type(factor: yellow, black, white). 

If the age column is not normal distributed, which statistic method should use to prove the trend relationship between them, for example, the older has more probability of white hair type? Are there any existed R package to figure out this situation?

Thank you.

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