How to add dataset to prtools

I'm using matlab prtools and i want to make tests on "Hepatitis" dataset ,the problem is :i can't download it from UCI machine registry on the format of prdataset , so how can i do this?

[Walter Roberson]

You appear to be referring to http://prtools.org/

[wisekily]

yes it is http://prtools.org/ (pattern recognition toolbox)

Answer 1

[Walter Roberson]

%https://archive.ics.uci.edu/ml/datasets/Hepatitis
%https://archive.ics.uci.edu/ml/machine-learning-databases/hepatitis/hepatitis.data

fmt = repmat('%f',1,19);

fid = fopen('hepatitis.data', 'rt');
datacell = textscan(fid, fmt, 'delimiter', ',', 'TreatAsEmpty', '?', 'CollectOutput', 1);
fclose(fid);

hepclass = datacell{1}(:,1);
hepattrib = datacell{1}(:,2:end);
hepds = prdataset( hepattrib, hepclass );

[wisekily]

thank you sir

[Rahimeh Rouhi]

Hello, I'm gonna use my own dataset containing 200 images 1024*1024 of 10 classes (i.e., each object has 1024*1024 feature). How can I prepare a suitable dataset for prtools? Thanks for your answers.

[Walter Roberson]

Reshape each of your 1024 x 1024 images to become a row vector, 1 x 1048576. Concatenate all of the row vectors together to get a 200 x 1048576 array. That array should be the first input to prdataset. The second input to prdataset should be an column vector indicating the class that each of the 200 images belongs to. This can be a numeric class number or can be a cell array of character strings giving a class label.

[Rahimeh Rouhi]

Many thanks.