Re: [Jboost-users] JBoost questions

[Aaron A. <aa...@cs...>]

David,

The new version of JBoost has been released.  The output files are much 
esaier to work with, so you'll be able to implement the changes you 
discuss below much faster.  This output format is now fairly stable, but 
may undergo changes in the future.  However, these changes will be minor 
and should not irrevocably break any code you write.

I'm going to post some comments on the file format on the website.  Till 
then, feel free to ask me any questions you have.

Aaron


On Mon, 15 Oct 2007, David Rolland wrote:

> Hi,
>
>    I just began to use JBoost and I have some questions.
>
>    First, I tested the visualization tools to make sure I had the same 
> results as shown on 
> http://www.cs.ucsd.edu/~aarvey/jboost/doc.html#visualization. I had to 
> modify the atree2dot2ps.pl script because it does not use the "--dir" 
> option everywhere in the script. Is it the expected behavior ?
>
>    Second, I was not able to reproduce the margin output. My problem is 
> that I run JBoost on Windows XP and the margin script uses 'cat' and 
> other Unix commands. I am a C/C++ programmer, I don't know Perl nor 
> Python. Even though these languages are similar to C I still wonder how 
> the files spambase.train.margin and spambase.train.scores can be 
> processed to output the margin graphic. And actually, what's the 
> difference between these two files ? There only seems to be some 
> positive/negative changes of values. I don't expect you to rewrite 
> margin.py without taking advantage of Unix commands, but if you explain 
> how I can get from the data files to the output graphic, I'll code 
> myself a Windows equivalent.
>
> Thanks,
>
> David R.
>
>
>
>
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