[R] jitter function when length(x) = 1

[David Winsemius]

On Oct 9, 2014, at 10:19 AM, Ingrid Charvet wrote:

> Hello,
> 
> A quick question relating to the documentation of the jitter function:
> http://127.0.0.1:15714/library/base/html/jitter.html
> 
> jitter(x, factor = 1, amount = NULL)
> 
> "If amount is NULL (default), we set a <- factor * d/5 where d is the smallest difference between adjacent unique (apart from fuzz) x values."
> 
> Therefore if length(x) = 1, then d = 0, which means jitter(x) should be equal to x?
> Which is not the case, i.e.
> 
>> x <- 1
>> jitter(x)
> [1] 0.9842914
> 
> So how does jitter deals with this situation? Does it assume d = x?

The code is right at your fingertips. Just type:

jitter

-- 
David.

> 
> 	[[alternative HTML version deleted]]
> 
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David Winsemius
Alameda, CA, USA