Re: [Mulan-list] Creating multi-labeled data file within Java code

[Grigorios T. <gr...@cs...>]

Hi Portia,

FastVector is all you should need for Mulan too. Actually, you just need 
an Instance object, which I think can be constructed out of a 
FastVector. Since we are talking about test data, just append L values 
to the end of the FastVector, assuming that (a) you have L labels, and 
(b) the labels are supposed to be the last L attributes in the training 
set.

Hope this helps. Don't hesitate to contact us again if you still cant' 
manage this.

Cheers,
Greg

On 5/1/2012 8:25 μμ, Portia wrote:
> Hello,
>
> I am collecting data that I would like to automatically put into Mulan format for creating a test data set.  The data is in the form of a MATLAB matrix containing data values.  I would to convert the MATLAB data into MULAN data format to use as test data with my pre-trained classifier.  In Weka, this can be done with FastVector and adding Attribute elements to the FastVector in a loop.  The problem I am having is figuring out a way to get the label attributes into the file when utilizing the FastVector class to create Weka Instances.
>
> So far I am only able to create the dataset in Weka format.  Do you have any suggestions on how to capture the MULAN data set structure by utilizing FastVector?  Is there an even easier way to do this?
>
> My current workaround is just to create a file with the Mulan headings and when data is collected, append the data to the end of it.  There must be a more refined way of doing this.  A swift response would be greatly appreciated.  Unfortunately I'm down to the wire on trying to get this to work (sorry!!!!).
>
> Thank you,
>
> PT
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