[R] kripp.alph error message

[David Winsemius]

On Jul 7, 2011, at 2:54 PM, sderose wrote:

> Hi! I fairly new to R, have only done pretty basic things so far, so  
> this may
> be a very basic question..... But I did search the forums and didn't  
> see a
> solution....
>
> I'm trying to get going with kripp.alpha(). I'm loading data from a  
> file,
> like this:
>
>> library(irr)
> Loading required package: lpSolve
>> x <- read.table("foo", comment.char="#", header=TRUE, sep=",",  
>> quote="\"")
>> x
>                            HITId Resp1 Resp2 Resp3
> 1  22QI9NZW6HEZ1HYZ5BYTC69GDR5NXQ              none
> 2  24SB6BFMFFOYTBDW8Y6DKESCJWZXKU  lead        lead
> 3  26OAUC26DG678UHYAF6K4COKLOH5CG  none  none  none
> 4  28RZJMJUNU8LUZB2FVWRD8D828Y0G0  tick  tick  both
> 5  29DGULF395SW1G0WU7UN2NJBHK4QCE  none  none  none
> 6  2F6CCF0CP5KXKM2IXXOYK4PMQS1VWM  both  none  none
> 7  2IUSTMOFXRDSZBWWTD4N1JFMK6CURS  lead  none  lead
> 8  2J9CJK63ZVE3CKKF9X1QDJL5A8IY98  lead  lead  lead
> 9  2NVG67D1X3V0ADK73ZTJI1M78PNIBW  none  none  lead
> 10 2QNSW6NG1FS3IR7EQD61JZSZ47ZXJV  none  none  none
> 11 2RVZXR24SMEZUV6DZ1E9Y8P9H8B0HZ  lead  lead  lead
> 12 2UK1O3W5XH0JKICDHZPETLSPQANIC3        none  none
> 13 2UKAC9KSSZVXSVAZK9LKUOYG6NZ2KP  lead  lead  none
> 14 2W80ONNVRH1KCHT9V627ANV94PZNWX  none  none  none
> 15 2Z3KH1Q6SVQ8C1SH59XL9OBVVN42LS  none  none  none
>
> So that seems fine; but then:
>
>> res <- kripp.alpha(x, method = "nominal")
> Error in sort.list(y) :
>  'x' must be atomic for 'sort.list'
> Have you called 'sort' on a list?
>
>
> I thought kripp.alpha takes a data frame,

That not what the help page says.

?kripp.alpha


> which is what I thought read.table
> returns. What does "atomic" mean?

Means it is not "recursive", i.e. not a list

>
> Thanks for any help!
>
> Steve
>
> --
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>
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.

David Winsemius, MD
West Hartford, CT