Mercurial > pylearn
annotate doc/v2_planning/learn_meeting.py @ 1117:c1943feada10
Proposal for theano dataset wrapper. The details still have to be worked out.
author | Arnaud Bergeron <abergeron@gmail.com> |
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date | Tue, 14 Sep 2010 15:22:48 -0400 |
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1087
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1 |
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2 |
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3 def bagging(learner_factory): |
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4 for i in range(N): |
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5 learner_i = learner_factory.new() |
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6 # todo: get dataset_i ?? |
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7 learner_i.use_dataset(dataset_i) |
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8 learner_i.train() |
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9 ''' |
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10 List of tasks types: |
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11 Attributes |
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12 |
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13 sequential |
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14 spatial |
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15 structured |
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16 semi-supervised |
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17 missing-values |
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18 |
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19 |
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20 Supervised (x,y) |
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21 |
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22 classification |
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23 regression |
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24 probabilistic classification |
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25 ranking |
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26 conditional density estimation |
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27 collaborative filtering |
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28 ordinal regression ?= ranking |
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29 |
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30 Unsupervised (x) |
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31 |
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32 de-noising |
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33 feature learning ( transformation ) PCA, DAA |
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34 density estimation |
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35 inference |
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36 |
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37 Other |
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38 |
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39 generation (sampling) |
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40 structure learning ??? |
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41 |
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42 |
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43 Notes on metrics & statistics: |
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44 - some are applied to an example, others on a batch |
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45 - most statistics are on the dataset |
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46 ''' |
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47 class Learner(Object): |
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48 |
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49 #def use_dataset(dataset) |
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50 |
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51 # return a dictionary of hyperparameters names(keys) |
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52 # and value(values) |
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53 def get_hyper_parameters() |
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54 def set_hyper_parameters(dictionary) |
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55 |
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56 |
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57 |
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58 |
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59 # Ver B |
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60 def eval(dataset) |
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61 def predict(dataset) |
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62 |
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63 # Trainable |
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64 def train(dataset) # train until complition |
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65 |
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66 # Incremental |
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67 def use_dataset(dataset) |
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68 def adapt(n_steps =1) |
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69 def has_converged() |
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70 |
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71 # |
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72 |
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73 class HyperLearner(Learner): |
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74 |
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75 ### def get_hyper_parameter_distribution(name) |
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76 def set_hyper_parameters_distribution(dictionary) |