[pymvpa] dataset issue

[David Soto]

HI, I am trying to create a dataset comprised of vectors of behavioural data for classification 
It all seems OK but when I check the output summary() the counts of targets in each chunk is not right (total should be around 590) 
however the 
Sequence statistics for 588 entries from set [1, 2] seems fine? 
Counter-balance table for orders up to 2: 
Targets/Order O1 | O2 | 
1: 163 130 | 142 151 | 
2: 130 164 | 150 143 | 
There may be something going on in the way I prepare the dataset. 
The script I use and the data are attached, any help would be much appreciated, THANKS! 
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