[MAGEEC] [BEEBS] PCA characterisation of benchmarks & evaluation of features

Simon Hollis cssjh at bristol.ac.uk
Mon Jul 28 12:06:32 BST 2014


Indeed. For the 'filing', you could look and see if the mysql database that
Ashley set up last year is appropriate, or if we need to explore a new
approach to archiving data (this is similar to the discussion you raised
two meetings ago).

Simon


On 27 July 2014 23:24, Kerstin Eder <Kerstin.Eder at bristol.ac.uk> wrote:

>  Hi Greg,
>
> Well done, this sounds good. I think nobody has done this for the current
> version of BEEBs. Munaaf and Craig used parts of BEEBs for their MSc
> projects, but I think they did not check in "interim" results such as the
> exctracted feature vectors. :(
>
> It might be worth "filing" the data you obtain from the feature extraction
> for future machine learning exercises and also "for the record". :)
>
> Best wishes,
> Kerstin
>
>
>
> On 27/07/2014 17:42, Greg Cawthorne wrote:
>
>   Hello team!
>
>  I have been working on doing some Principle Component Analysis of the
> features present in the current feature set. I have created a program which
> is ready to be used to evaluate beebs!
>
> Now I need a comprehensive set of feature vectors and which program &
> function they came from (as we're doing it on a function by function
> basis). Once I have this data I can perform PCA and then see which features
> are the most representative of the programs and also look to see if
> different types of benchmark have distinctly different important features.
>
>  I believe this requires running the feature extractor across all the
> current benchmarks. If anyone can or has already done this and can send me
> the data it shall be appreciated. Otherwise I shall have a look into it
> Monday!
>
>  Regards, Greg.
>
>
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