how to proof the trend of two columns of data?

Hello,

Inline.

Em 09-01-2017 14:55, vod vos escreveu:
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
If you use ?lm, it's the residuals that should be normally distributed, 
not age.
You can also use ?glm with a binomial link, in which case you should 
recode type as white/not white.

Hope this helps,

Rui Barradas

, 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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how to proof the trend of two columns of data?

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