[R] problem in WRS2

David Winsemius
2019-11-07T01:46:20Z

If a crosstabs on the two factors has any zero counts it might explain.

?
David

Sent from my iPhone

> On Nov 6, 2019, at 5:42 PM, Jim Lemon <drjimlemon at gmail.com>
wrote:
>
> Hi Greg,
> I tried this:
>
> cp<-read.table(text="Birey Grup Time y
> 1    1  Cp1 0.7916386
> 1    1  Cp3 1.7463777
> 1    1  Cp7 1.2008390
> 1    1 Cp14 0.6311380
> 1    1 Cp21 2.1563557
> 1    1 Cp28 1.2008390",
> header=TRUE)
> library(prettyR)
> xtab(Grup~Time,cp)
> Crosstabulation of Grup by Time
>       Time
> Grup     Cp1      Cp14     Cp21     Cp28     Cp3      Cp7
> 1              1       1       1       1       1       1       6
>          16.67   16.67   16.67   16.67   16.67   16.67       -
>            100     100     100     100     100     100     100
>
>              1       1       1       1       1       1       6
>          16.67   16.67   16.67   16.67   16.67   16.67  100.00
>
> Maybe doing the same on your entire data set will reveal something.
>
> Jim
>
>> On Thu, Nov 7, 2019 at 8:58 AM greg holly <mak.hholly at
gmail.com> wrote:
>>
>> I got the following error message after running  t2way(y ~ Grup*Time,
data
>> = cp)
>>  Error in x[[grp[i]]] :
>>  attempt to select less than one element in get1index
>>
>> a part of the data is given below. Your help is highly appreciated.
>>
>> Greg
>>
>>> head(cp)
>>  Birey Grup Time         y
>> 1     1    1  Cp1 0.7916386
>> 2     1    1  Cp3 1.7463777
>> 3     1    1  Cp7 1.2008390
>> 4     1    1 Cp14 0.6311380
>> 5     1    1 Cp21 2.1563557
>> 6     1    1 Cp28 1.2008390
>>
>>        [[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