Alexandre Passos - questions that user selected as his/her favorite - MetaOptimize Q+A

Alexandre Passos ♦

18,997

karma

Registered user
real name	Alexandre Tachard Passos
member since	Jun 29 '10 at 20:40
last seen	Sep 02 '11 at 09:54
user's website	http://atpassos.posterous.com/
location	São Paulo, Brazil

I'm a member of the IESL lab, studying with Andrew McCallum

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7

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3

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How do I optimize hyperparameter values?

Jul 11 '10 at 16:45 Joseph Turian ♦♦4720●41●105●127

validation-data tuning crossvalidation hyperparameters held-out-data optimization model-selection objective

4

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4

answers

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How does one find the intrinsic dimensionality of the data when singular values decay slowly?

Jan 19 '11 at 05:31 Laurens van der Maaten751●3●12●18 (asked by Oliver Mitevski753●17●26●40 )

high-dimensional dimensionality manifold dimensionality-reduction t-sne rank-k embeddings pca singular-values-decay

5

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6

answers

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Survey paper for Topic Models

Nov 17 '10 at 06:55 Alexandre Passos ♦18997●44●214●335 (asked by Kevin Duh211●2●5●8 )

survey topic-models

8

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1

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Hessian-free NN algo summary

Mar 16 at 19:56 Brian Vandenberg644●19●34●44

hessian-free neural deep-learning neural-networks conjugate-gradient deep-belief-networks paper-understanding hessian

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