Do men cite themselves more than women?

Apr 12, 2020       1 mins     Tag: modeling zombie
Today I was looking into my citation profile. And when I checked self-citation, I noticed a Nature article that baldly claimed “Men cite themselves more than women do…The apparent trend has been on the rise...

Should I do laundry and get grocery delivery at the same day or separate days?

Mar 29, 2020       3 mins     Tag: decision theory
So I have stayed in my room for more than three weeks, and by stay in the room I mean strictly staying in the room without even touching the knob of the outdoor once –...

If we only see the pledged delegates, who wins Iowa?

Feb 14, 2020       3 mins     Tag: politics
Let’s recall the eight-school example– the posterior distribution of the school effect is essentially indistinguishable from 0, which by and large says there is little school-specific effect.

The second coming of Cauchy

Nov 29, 2019       2 mins     Tag: modeling
A good Cauchy

Does the E-commerce Giant Fabricated its One-dimensional Data?

Nov 14, 2019       9 mins     Tag: modeling
Probably not. "Just accept that it's really hard to know"--Jerome Powell.

Double Slit Experiment and Bayes

Nov 12, 2019       16 mins     Tag: modeling
Is there anything we (statisticians) can still learn from Quantum Physics under a classic probability framework?

Uncertainty of a Brownian Bridge

Oct 30, 2019       1 mins     Tag: zombie
As a Bayesian statistician, I almost love the use of the word “uncertainty” as if that manifests my expertise in inference–until recently someone talks to me that they will stop talking to me as there...

The Community Standards, the First Amendment, and the Gaussian Kernel

Oct 08, 2019       7 mins     Tag: zombie
I mostly only write statistics stuff on this blog. In part it is understandable why sparsity is desired – such that we only have statistics in our life, and no more worries about how to...

Bayesian as modeling vs Bayesian as computation

Sep 23, 2019       2 mins     Tag: casual, modeling
I came up with this random thought when I was sitting in Andrew’s class this afternoon (as a TA). In order to emphasize why Bayesian is different, Andrew listed a few alternatives for data analysis,...

Napoleon's March is to a Dirichlet process what a boxplot to a Gaussian distribution

Sep 21, 2019       2 mins     Tag: visualization
I saw a visualization of wealth distribution in the 2019 Credit Suisse Global Wealth Report (https://www.credit-suisse.com/about-us/en/reports-research/global-wealth-report.html)

Division of random variables

Sep 18, 2019       1 min     Tag: casual
This is trivial math question but it once bothers me in the construction of Dirichlet process using stick breaking process. The context is that if $V \sim beta(1, M)$ and $\theta \sim Dirichlet (\bar \alpha)$...

A utopian kitsch coated with xenophobia and chauvinism

Aug 18, 2019       4 mins     Tag: zombie
That said, xenophobism is xenophobism, no matter coated with a caucasian supremacism, or a seemingly-progressive popularism, or even when it is companied with a chauvinistic salute towards another group of straw men.

How to elegantly embed pdf image into markdown

Aug 05, 2019       2 mins     Tag: zombie
No you cannot
What if I run 4 chains and find $\hat R >>1$