Message-ID: <1598842ef55.101f82e822686.1862894340827705399@zoho.com>
Date: 2017-01-10T12:03:25Z
From: vod vos
Subject: how to proof the trend of two columns of data?
In-Reply-To: <9267fa5ef8ae4f6fabfad5546c218c24@exch-2p-mbx-w2.ads.tamu.edu>
as far as I know, ?kruskal.test will show us the differences between three or more groups. But it could show the trend.
---- On ???, 09 ?? 2017 10:12:14 -0800 David L Carlson <dcarlson at tamu.edu> wrote ----
The list does not assist with homework problems. If this is not a class assignment, you should be more specific about what you have tried and provide a reproducible example (a sample of the real data or some made-up data that has the same columns and data types). In the meantime you could also try the following R command:
> ?kruskal.test
-------------------------------------
David L Carlson
Department of Anthropology
Texas A&M University
College Station, TX 77840-4352
-----Original Message-----
From: R-help [mailto:r-help-bounces at r-project.org] On Behalf Of Rui Barradas
Sent: Monday, January 9, 2017 11:28 AM
To: vod vos; r-help
Subject: Re: [R] 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.
>
>
>
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
______________________________________________
R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
______________________________________________
R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
[[alternative HTML version deleted]]