[Lisa_seminaires] [mila-tous] [Discussion group + Tea Talk] David Blei (Columbia University) Fri March 8 2019 10h30 Mila Auditorium

Rim Assouel rim.assouel at gmail.com
Mer 6 Mar 10:34:21 EST 2019


Hi everyone, 

Reminder that David arrives tomorrow and we’ll be having the Discussion group from 2pm to 3pm in room A14 : everybody is welcome to join! 
Do not miss his tea talk on Friday, 10.30 in Mila auditorium as well :) 

Cheers, 
The Tea Talk Team 

> On Mar 5, 2019, at 4:59 AM, Yoshua Bengio <yoshua.bengio at mila.quebec> wrote:
> 
> I concur! Do not miss David's talk and come to meet him too.
> 
> -- Yoshua
> 
> SVP prendre note de mon nouveau courriel ainsi que de celui de mon adjointe :
> Please note my new email address as well as my assistant's one:  
> yoshua.bengio at mila.quebec
> julie.mongeau at mila.quebec
> 
> 
> Le lun. 4 mars 2019, à 12 h 15, Laurent Charlin <lcharlin at gmail.com <mailto:lcharlin at gmail.com>> a écrit :
> Dave has done foundational work and is a leading thinker in the fields of probabilistic graphical models and variational inference. He is also an excellent speaker. His talk should not be missed!
> 
> Best,
> Laurent
> 
> On Mon, Mar 4, 2019 at 10:30 AM Rim Assouel <rim.assouel at gmail.com <mailto:rim.assouel at gmail.com>> wrote:
> This week we have David Blei from Columbia University giving a talk on The Blessings of Multiple Causes at 10h30 at Mila Auditorium. 
> 
> Will this talk be streamed  <https://mila.bluejeans.com/809027115/webrtc>? Yes
> 
> David will also be visiting Mila on Thursday (7th March). To that end we organized a discussion group on Causal Inference from 2pm to 3pm in room A14.
> 
> A bunch of you asked for 1-1 and 2-1 meetings : The schedule is also set during that day, I’ll send the invites by tomorrow :) 
> 
> See you there! 
> The Tea Talk Team
> 
> TITLE The Blessings of Multiple Causes
> 
> ABSTRACT 
> Causal inference from observational data is a vital problem, but it comes with strong assumptions. Most methods require that we observe all confounders, variables that correlate to both the causal variables (the treatment) and the effect of those variables (how well the treatment works). But whether we have observed all confounders is a famously untestable assumption. We describe the deconfounder, a way to do causal inference from observational data with weaker assumptions that the classical methods require. How does the deconfounder work? While traditional causal methods measure the effect of a single cause on an outcome, many modern scientific studies involve multiple causes, different variables whose effects are simultaneously of interest. The deconfounder uses the multiple causes as a signal for unobserved confounders, combining unsupervised machine learning and predictive model checking to perform causal inference. We describe the theoretical requirements for the deconfounder to provide unbiased causal estimates, and show that it requires weaker assumptions than classical causal inference. We analyze the deconfounder's performance in three types of studies: semi-simulated data around smoking and lung cancer, semi-simulated data around genomewide association studies, and a real dataset about actors and movie revenue. The deconfounder provides a checkable approach to estimating close-to-truth causal effects. This is joint work with Yixin Wang. [*] https://arxiv.org/abs/1805.06826 <https://arxiv.org/abs/1805.06826> 
> 
> BIO 
> David Blei is a Professor of Statistics and Computer Science at Columbia University, and a member of the Columbia Data Science Institute. He studies probabilistic machine learning, including its theory, algorithms, and application. David has received several awards for his research, including a Sloan Fellowship (2010), Office of Naval Research Young Investigator Award (2011), Presidential Early Career Award for Scientists and Engineers (2011), Blavatnik Faculty Award (2013), ACM-Infosys Foundation Award (2013), and a Guggenheim fellowship (2017). He is the co-editor-in-chief of the Journal of Machine Learning Research. He is a fellow of the ACM and the IMS. He is a fellow of the ACM and the IMS.
> 
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