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Commits on May 23, 2012
  1. Unfinished work!

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    Work on adding small video tutorials.
    Also, make evaluation of hint sequences later.
  2. Merge branch 'master' of github.com:bvds/andes

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    Conflicts:
    	LogProcessing/CognitiveModels/self-improved-tutor.tex
Commits on May 22, 2012
  1. Add list of features.

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Commits on May 21, 2012
  1. Fix broken IEA-main hint. Make hint sequence

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    no longer takes tutor turn structs:  supply function instead.
Commits on May 20, 2012
  1. Added list of features used.

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Commits on May 19, 2012
Commits on May 17, 2012
  1. Finish up improvements to objective function.

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    Start writing up result.
Commits on May 15, 2012
  1. Don't test for validity when doing objective function,

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    make validity test average over all submodels.
    validity test not debugged yet.
Commits on May 14, 2012
  1. Add paper temporarily.

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Commits on May 11, 2012
  1. Contour plots!

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Commits on May 10, 2012
  1. Use discount factor based on number of incorrect

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    steps for this kc.  Work on recursion relation for
    probability of learning integral (unstable).
  2. Fix up language for steps and transactions.

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    Remove unused code in step-model.php and change code
    to use probability of learning gain.  Still need to test scripts.
Commits on May 9, 2012
  1. Added code for calculating probability of learning.

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    Not tested or used yet.  Should test against mathematica code.
  2. Figured out right way to determine chance that

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    learning has occurred.
Commits on May 8, 2012
  1. Trying to decide if it is ok to use expectation

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    values and variances (for the error) to determine if
    learning has occurred.
Commits on May 2, 2012
  1. Fix probabilities to include no-learning fit.

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    Use average over models in a consistant manner.
    Include learning gains and discount factor in reward
    function.  Remove term with negative rewards.
Commits on Apr 30, 2012
  1. @akondave
Commits on Apr 26, 2012
Commits on Apr 24, 2012
  1. Count all turns in opportunity when waiting the

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    importance of a term to learning or for a slip.
    Remove "none" from list of KC's.
Commits on Apr 23, 2012
Commits on Apr 21, 2012
  1. Take log of some features.

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    Mathematica notebook to calculate best model policy
    using perceptron approach.
Commits on Apr 18, 2012
  1. Print instances of reward, policy used, and pointer to associated state

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    in cases where policy may apply.
Commits on Apr 17, 2012
  1. Print out assignment of blame chronologically

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    for each student.  Fix routine returning current flounder time.
Commits on Apr 16, 2012
  1. Print out student state and add some more observables

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    Move student state code to separate file.
Commits on Apr 14, 2012
  1. Start work on creating student state.

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    Mark steps without KC assigned as KC=none.
    Do assignment of blame for steps without object
    (time heuristic) in real time.
Commits on Apr 12, 2012
  1. Move analysis of training video and fade problems

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    to separate file.
Commits on Apr 8, 2012
Commits on Apr 7, 2012
Commits on Apr 6, 2012
  1. Fix bug for confusedtID.

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Commits on Apr 5, 2012
  1. Use library routine for determining floundering

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    and time on task.
Commits on Mar 30, 2012
  1. Had two error tests with name "default-wrong-dir".

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    Add warning for redefining operator.
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