[R] Dotplot x-axis

[Michael Kubovy]

I asked:

>> Here's a small dataset:
>>
>> type <- c('hierarchical','partial','single','complete','single
>> +hierarchical','single+partial','partial+hierarchical','single 
>> +partial
>> +hierarchical')
>> freq <- c(1455,729,688,65,29,28,16,17)
>> lodds <- log(freq/(3027 - freq))
>> dotplot(type~lodds)
>>
>> I would like to have the x-axis have ticks at nice, close to equally-
>> spaced values, of the proportions rather than at round log-odds
>> values, which appear as -5:0. For example: perhaps have ticks at c
>> (0.007, 0.02, 0.05, 0.12, 0.27, 0.5), which are approximate values of
>> exp(-5:0)/(1+exp(-5:0))
>>
>> Advice?

Dimitris Rizopoulos suggested:

> dotplot(type ~ lodds, scales = list(x = list(at = -5:0, labels =  
> round(plogis(-5:0), 3))))

It works like a charm. Thank you so much.
_____________________________
Professor Michael Kubovy
University of Virginia
Department of Psychology
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