Difference between revisions of "Class meeting for 10-605 Randomized"

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This is one of the class meetings on the [[Syllabus for Machine Learning with Large Datasets 10-605 in Fall 2015|schedule]] for the course [[Machine Learning with Large Datasets 10-605 in Fall_2015]].
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This is one of the class meetings on the [[Syllabus for Machine Learning with Large Datasets 10-605 in Fall 2016|schedule]] for the course [[Machine Learning with Large Datasets 10-605 in Fall_2016]].
  
  
 
=== Slides ===
 
=== Slides ===
  
Comment: I'm going to start off with a few slides related to the upcoming assignment on MF with Spark.
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* TBD
 
 
* [http://www.cs.cmu.edu/~wcohen/10-605/spark-for-mf.pptx Spark for MF in PowerPoint], [http://www.cs.cmu.edu/~wcohen/10-605/spark-for-mf.pdf Spark for MF in PDF].
 
* [http://www.cs.cmu.edu/~wcohen/10-605/randomized-algs.pptx Randomized Algorithms in Powerpoint], [http://www.cs.cmu.edu/~wcohen/10-605/randomized-algs.pdf in PDF]
 
  
 
Supplement:
 
Supplement:
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=== Key things to remember ===
 
=== Key things to remember ===
  
* The API for the randomized methods we studied: Bloom filters, LSH, CM sketches
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* The API for the randomized methods we studied: Bloom filters, LSH, CM sketches, and specifically, when you would use which technique.
* What are the key tradeoffs associated with these methods, in terms of space/time efficiency.
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* The relationship between hash kernels and CM sketches.
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* What are the key tradeoffs associated with these methods, in terms of space/time efficiency and accuracy, and what sorts of errors are made by which algorithms (e.g., if they give over/under estimates, false positives/false negatives, etc).
 
* What guarantees are possible, and how space grows as you require more accuracy.
 
* What guarantees are possible, and how space grows as you require more accuracy.
 
* Which algorithms allow one to combine sketches easily.
 
* Which algorithms allow one to combine sketches easily.

Latest revision as of 15:28, 11 August 2016

This is one of the class meetings on the schedule for the course Machine Learning with Large Datasets 10-605 in Fall_2016.


Slides

  • TBD

Supplement:

Optional Readings

Key things to remember

  • The API for the randomized methods we studied: Bloom filters, LSH, CM sketches, and specifically, when you would use which technique.
  • The relationship between hash kernels and CM sketches.
  • What are the key tradeoffs associated with these methods, in terms of space/time efficiency and accuracy, and what sorts of errors are made by which algorithms (e.g., if they give over/under estimates, false positives/false negatives, etc).
  • What guarantees are possible, and how space grows as you require more accuracy.
  • Which algorithms allow one to combine sketches easily.