Format of data?

[leotam]

What's the format of the data, I assumed it was the t7 format from SoumithC. https://github.com/soumith/cifar.torch

I receive this error though:

/home/ubuntu/torch/install/bin/luajit: ...untu/torch/install/share/lua/5.1/dataset/IndexTensor.lua:57: IndexTensor requires "x" table entry for items
stack traceback:
    [C]: in function 'assert'
    ...untu/torch/install/share/lua/5.1/dataset/IndexTensor.lua:57: in function 'Index'
    ...e/ubuntu/torch/install/share/lua/5.1/dataset/Dataset.lua:18: in function 'Dataset'
    ./Data.lua:10: in function <./Data.lua:5>
    client.lua:63: in main chunk
    [C]: in function 'dofile'
    ...untu/torch/install/lib/luarocks/rocks/trepl/scm-1/bin/th:145: in main chunk
    [C]: at 0x00406670
/home/ubuntu/torch/install/bin/luajit: ...untu/torch/install/share/lua/5.1/dataset/IndexTensor.lua:57: IndexTensor requires "x" table entry for items
stack traceback:
    [C]: in function 'assert'
    ...untu/torch/install/share/lua/5.1/dataset/IndexTensor.lua:57: in function 'Index'
    ...e/ubuntu/torch/install/share/lua/5.1/dataset/Dataset.lua:18: in function 'Dataset'
    ./Data.lua:10: in function <./Data.lua:5>
    tester.lua:74: in main chunk
    [C]: in function 'dofile'
    ...untu/torch/install/lib/luarocks/rocks/trepl/scm-1/bin/th:145: in main chunk
    [C]: at 0x00406670
/home/ubuntu/torch/install/bin/luajit: ...untu/torch/install/share/lua/5.1/dataset/IndexTensor.lua:57: IndexTensor requires "x" table entry for items
stack traceback:
    [C]: in function 'assert'
    ...untu/torch/install/share/lua/5.1/dataset/IndexTensor.lua:57: in function 'Index'
    ...e/ubuntu/torch/install/share/lua/5.1/dataset/Dataset.lua:18: in function 'Dataset'
    ./Data.lua:10: in function <./Data.lua:5>
    server.lua:73: in main chunk
    [C]: in function 'dofile'
    ...untu/torch/install/lib/luarocks/rocks/trepl/scm-1/bin/th:145: in main chunk
    [C]: at 0x00406670