[R] Reordering levels of a factor within a lattice dotplot

[Rui Barradas]

Sorry, missed the plot instruction.


dotplot(sample[ord] ~ obs[ord] | site, data=myex,
                 [... etc ...]

Rui Barradas

Em 22-06-2012 16:43, Rui Barradas escreveu:
> Hello,
>
> Ok, I hadn't understood. I still don't, not completely. Why do you 
> want to order 'sample' with reference to 'obs'? It would make sense 
> only in the case of 'obs' ties. Doesn't it make more sense to order 
> 'sample' within 'site'?
>
> As for keeping 'sample' character it's very simple, I was just trying 
> to not using facotrs for it. The line that makes of it a Date should 
> change to
>
> myex$sample <- as.character(as.Date(myex$sample, format="%d/%m/%Y"))
>
>
> Then, to order, within 'site' use
>
> # first attempt, (Rui's 2nd)
> ord <- with(myex, order(site, sample))
>
> And if you now plot it, you'll see the samples ordered and a better y 
> axis labels placing.
>
> Rui Barradas
>
> Em 22-06-2012 16:02, maxbre escreveu:
>> thanks for your reply but I don't think your solution can accomplish 
>> to what
>> I need...
>> (I can't see any ordering of the variable "sample" with reference to the
>> variable "obs")
>>
>> please keep in mind that for a numer of reasons that I do not mention 
>> here
>> for the sake of conciseness in my case the variable "sample" must be
>> espressed as a charachter (because what I proposed here is a 
>> simplification
>> of the original variable composed by a concatenation of more information
>> strings than the sampling date itself)
>>
>> and finally the labels on y axis are still not correctly disposed : same
>> problem as in my example (also this feature must be properly sorted out)
>>
>>
>> I think it's necessary to stick on the reordering of varibles but I 
>> can't
>> figure how jet...
>>
>> m
>>
>> -- 
>> View this message in context: 
>> http://r.789695.n4.nabble.com/Reordering-levels-of-a-factor-within-a-lattice-dotplot-tp4634201p4634220.html
>> Sent from the R help mailing list archive at Nabble.com.
>>
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>
> ______________________________________________
> R-help at r-project.org mailing list
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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.