More	
  Bandits	
  
@lukasvermeer	
  
The	
  World	
  Needs	
  
we	
  are	
  all	
  in	
  the	
  business	
  of	
  running	
  
experiments	
  
	
  
we	
  run	
  experiments,	
  because	
...
MulC-­‐Armed	
  Bandits	
  
geFng	
  the	
  most	
  out	
  of	
  your	
  experiments	
  
A/B	
  Test	
  (Epsilon	
  First)	
  
the	
  gold	
  standard	
  for	
  (business)	
  experiments	
  
ExploraCon/ExploitaCon	
  
experiments	
  cost	
  money	
  
Regret	
  
minimizing	
  the	
  cost	
  	
  
of	
  your	
  experiments	
  
Greedy	
  Bandit	
  
controlled	
  exploraCon	
  
Thompson	
  Bandit	
  
exploit	
  as	
  much	
  as	
  you	
  dare	
  
Contextual	
  Bandits	
  
far	
  beyond	
  basic	
  bandit	
  experiments	
  
Start	
  Now	
  
maximize	
  experimentaCon	
  –	
  minimize	
  costs	
  
we	
  are	
  all	
  in	
  the	
  business	
  of	
  running	
  
experiments	
  
	
  
we	
  run	
  experiments,	
  because	
...
More	
  Bandits	
  
@lukasvermeer	
  
The	
  World	
  Needs	
  
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Digital Data Tips Tuesday #2 - A/B-testing: Lukas Vermeer - Booking.com

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#ddtt #2 Keynote by Lukas Vermeer - the world needs more bandits.

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Digital Data Tips Tuesday #2 - A/B-testing: Lukas Vermeer - Booking.com

  1. 1. More  Bandits   @lukasvermeer   The  World  Needs  
  2. 2. we  are  all  in  the  business  of  running   experiments     we  run  experiments,  because  we   need  to  know  that  what  we  do  is   good  for  our  business     our  most  important  KPI  is  how  many   successful  experiments  we  run  
  3. 3. MulC-­‐Armed  Bandits   geFng  the  most  out  of  your  experiments  
  4. 4. A/B  Test  (Epsilon  First)   the  gold  standard  for  (business)  experiments  
  5. 5. ExploraCon/ExploitaCon   experiments  cost  money  
  6. 6. Regret   minimizing  the  cost     of  your  experiments  
  7. 7. Greedy  Bandit   controlled  exploraCon  
  8. 8. Thompson  Bandit   exploit  as  much  as  you  dare  
  9. 9. Contextual  Bandits   far  beyond  basic  bandit  experiments  
  10. 10. Start  Now   maximize  experimentaCon  –  minimize  costs  
  11. 11. we  are  all  in  the  business  of  running   experiments     we  run  experiments,  because  we   need  to  know  that  what  we  do  is   good  for  our  business     our  most  important  KPI  is  how  many   successful  experiments  we  do  
  12. 12. More  Bandits   @lukasvermeer   The  World  Needs  

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