Eric J Ma's Website

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Paper Review

written by Eric J. Ma on 2016-09-22

I recently reviewed a paper for PLOS Computational Biology. This was my first ever scientific paper review, and so I did my best to be constructive and helpful to the authors, just as other reviewers were for my first lead author publication. I had... (read more)

(587 words, approximately 3 minutes reading time)
Why Uncertainty Matters

written by Eric J. Ma on 2016-09-16 | tags: statistics bayesian data science

Uncertainty is part and parcel of the process of doing science; in effect it's a currency of science. What scientists do is essentially quantitatively... (read more)

(359 words, approximately 2 minutes reading time)
Scientists: Eliminate Link Rot!

written by Eric J. Ma on 2016-09-08

Reading up on Bayesian methods for analysis of high throughput measurement data, I saw this very promising paper by Johnson & Li.

In the abstract, there was a... (read more)

(185 words, approximately 1 minute reading time)
GitHub Lab Notebooks

written by Eric J. Ma on 2016-09-06

A new UROP, Vivian Zhong, has joined the Runstadler lab! She is working with Islam and I on a project that is directly related to the broader problem of genotype-phenotype.

For this project, I decided to try and experiment with GitHub and... (read more)

(413 words, approximately 3 minutes reading time)
Hack a Gel Imaging Enclosure

written by Eric J. Ma on 2016-09-06

Last week, following a power outage, the expensive gel doc machine & its computer failed. (It's also one floor up.) And so, we decided to just take a photo with our phones - and it turned out just fine.

So, as things turn out, we don't... (read more)

(325 words, approximately 2 minutes reading time)
Bayesian Estimation > t-Test

written by Eric J. Ma on 2016-08-18

Recently found a very good article on the ArXiv about Bayesian estimation for difference in sample means. Loved the fact that someone's done the work so that I don't have to!

The paper essentially explores how a Bayesian estimation (BEST) is... (read more)

(137 words, approximately 1 minute reading time)
Precision, and not Hypothesis Rejection/Acceptance!

written by Eric J. Ma on 2016-08-18

I've recently been considering the problem of when to stop measuring something, especially in the biological sciences. Turns out, John Kruschke has given this a ton of thought, in the psychological sciences.

I listened to a talk, freely... (read more)

(437 words, approximately 3 minutes reading time)
The problem of too many splits?

written by Eric J. Ma on 2016-08-16 | tags: python data science

I recently followed an interesting Twitter conversation, in which one tweet struck me as surprising:

Variational Inference With PyMC3: A Lightweight Demo

written by Eric J. Ma on 2016-08-06 | tags: python bayesian variational inference pymc3 statistics data science

Following on the heels of me recently attending Thomas Wiecki's Boston Bayesians talk, I decided to put up a notebook showing a lightweight example of how to do Bayesian modelling with PyMC3. Comments are welcome!

The notebook can be found... (read more)

(67 words, approximately 1 minute reading time)
Being able to learn anything is an important skill

written by Eric J. Ma on 2016-07-28

Graduate school has taught me the importance of being able to learn almost anything, and to learn that thing as quickly as possible. I think that's an important skill to have in life.

(Ironically, it's taken me much of 5 years, now going on... (read more)

(96 words, approximately 1 minute reading time)
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