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Wouldn't you like to read my academic posts instead? Stats Computer Science -
LiveJournal revival!!
LiveJournal has been a powerful force in my life, as it has been for many people of my demographic (English-speaking nerds born in 1975-1985). It started winding down in 2010. In the last couple of years, I've been talking about the idea of Christmas-time revival, and to my happy surprise someone else has decided to make it happen. Maybe it will ( Read more... ) -
lit review: Kullback-Leibler divergence in Statistics PhD textbooks
Bickel, Klaassen, Ritov, Wellner
* p. 227, Re: estimating cell probabilities in a two-way contingency table with known marginals. "Iterative Proportional Fitting converges to the minimum Kullback divergence estimator"
Casella & Berger (2nd Edition) says nothing
Gelman, Carlin, Stern, Rubin (2nd Edition)
* p.107, asymptotics of estimation under mis- ( Read more... ) -
R <-> Julia dictionary
I welcome improvements and additions to this.
* words in ALLCAPS denote macros
* x denotes arbitrary variables
* a, b denote scalars
* f, g denote functions
* i,j denote indices
* mat denotes matrices
* obj denotes objects
* v, w denote vectors
* z denotes a Boolean truth value
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yoga and intersubjectivity: let's invent a language
(originally posted Oct 25, 2012, 01:40)
Perhaps one of the defining traits of "nerds" is a low level of body awareness, which comes with "spending too much time in the head". This may explain why yoga has been so revealing for me. I have been learning which sensations correspond to stretch, strain, and pain; and how to move muscles ( Read more... ) -
hyper-abstracted R contest
(originally posted December 02, 2009, 21:44)
## `*` is the hyper of `+`, `^` is the hyper of `*`
> hyper <- function(fn) function(a,b) Reduce(fn, rep(a,b))
> compose <- function(fn1,fn2) function(x) fn1(fn2(x))
> hyperoperation <- function(n) Reduce(compose,listRep(hyper,n))(`+`)
('rep(obj,n)' and 'listRep(obj,n)' just return a list containing ( Read more... ) -
my Burning Man checklist
This is my first Burn... 8 days from now ( Read more... ) -
my taxes
I file taxes as a Resident Alien, which makes my tax situation pretty much identical to most American PhD students at Columbia. And yet, because of legal liability, the only qualified people who are willing to give us advice are tax professionals (whose time will cost at least $100 ( Read more... ) -
summer sublet in NYC
I'm subletting my apartment. It's a great deal. You will not find this much space in such a nice area for $900/month. See here.
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conditional inference; why completeness matters
Earlier this week, another piece of statistical theory fell into place for me, this time inspired by reading Cox&Hinkley ( Read more... )