classification


Is there an attribute for vectors in ARFF for Weka?


I am trying to use Weka Multilayer Perceptron classifier to determine if a 14 by 14 picture is of a 4 or a 9. I am given 200 files text files containing a 0 or a 1 for each pixel of the picture being light or dark. I am supposed to convert each image in the dataset into a vector and create a Weka arff file using the converted vectors. My question is, is there some sort of arff vector attribute? The ridiculous arff I made with 197 attributes (including the class) and 200 data rows does output something but it is incredibly slow and I can't be sure of the result because of how strange the original file looks. What would be the best way to format the arff?
Why don't you write your own input reader if arff is too slow?
Weka is open source, you can change/extend it as you like.

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