[BioC] Re : missing value in plotDensity

[Wolfgang Huber]

Hi Shirley

The multidensity and multiecdf functions in the geneplotter package are 
also attempts to address your use case. Let me know how you find them.

  Best wishes
	 Wolfgang

-- 
----------------------------------------------------
Wolfgang Huber  EMBL-EBI  http://www.ebi.ac.uk/huber

julien laffaire wrote:
> Perhaps you should do it like this :
> 
> v1, v2 and v3 are 3 vectors of inequal sizes.
> 
> plot(density(v1), xlim=c(), ylim=c(), col="black")
> lines(density(v2), col="red")
> lines(density(v3), col="blue")
> 
> In this way you don't have to add NA values but you will need to "play" with xlim and ylim to find the good scale.
> 
> is it ok ?
> J
> 
> --- En date de : Mar 10.2.09, shirley zhang <shirley0818 at gmail.com> a écrit :
> 
>> De: shirley zhang <shirley0818 at gmail.com>
>> Objet: Re: Re : [BioC] missing value in plotDensity
>> À: roomjr at yahoo.fr
>> Cc: "Bioconductor Mailing List" <bioconductor at stat.math.ethz.ch>
>> Date: Mardi 10 Février 2009, 14h57
>> Hi Julien and Bioconductor
>>
>> Thanks for your reply and sorry that I did not make myself
>> clear.
>>
>> I would like to draw 3 density plots in one figure. Since
>> the size of
>> each vector is different, I created a matrix "x"
>> by adding NA value in
>> order to make the size same. However when I call
>> plotDensity(x) in
>> package "affy", it gives me the following error
>> message:
>>
>> "x contains missing values".
>>
>> My problem is how to draw 3 density plots in one figure
>> when the size
>> is different.
>>
>> Thanks,
>> Xiaoling
>>
>> On Mon, Feb 9, 2009 at 4:57 PM, julien laffaire
>> <roomjr at yahoo.fr> wrote:
>>> Hi Shirley,
>>> you can handle missing values with the na.rm option
>> which is TRUE by default. I've change some values of one
>> of my dataset to NA et it works well.
>>> I hope it can help.
>>> Julien
>>>
>>>
>>>
>>> --- En date de : Lun 9.2.09, shirley zhang
>> <shirley0818 at gmail.com> a écrit :
>>>> De: shirley zhang <shirley0818 at gmail.com>
>>>> Objet: [BioC] missing value in plotDensity
>>>> À: "Bioconductor Mailing List"
>> <bioconductor at stat.math.ethz.ch>
>>>> Date: Lundi 9 Février 2009, 22h14
>>>> Hi All,
>>>>
>>>> Does anybody know how to use plotDensity() with
>> missing
>>>> value?
>>>>
>>>> Thanks,
>>>> Shirley
>>>>
>>>> _______________________________________________