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tests/addnoise/procedure.txt

 

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As 'addnoise' simply adds noise to the input vector, it can be easily replaced with GNU Octave functions.

 

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So to replace the following command in Octave:

 

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    $ addnoise data.dat -v0.02 -u -o "data_noise.dat"

 

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    r = std (data) * 0.02;

 

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    data = data + r * rand (size (data))

 

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To replace the following command in Octave:

 

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    $ addnoise data.dat -r0.5 -o "data_noise.dat"

 

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    g = (-6 + sum (rand ([size(data), 12]), 3));    

 

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    data = data + 0.5 * g

 

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