[R] problem in WRS2

[David Winsemius]

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 using 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 using 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]]
>> 
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> 
> ______________________________________________
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