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Bone Marrow Donations

written by Eric J. Ma on 2019-06-30 | tags: personal charity leukemia donations blood donation community service

After hearing that a friend was diagnosed with leukemia, I detailed a reminder to myself and all of us to register as bone marrow donors.

Read on... (315 words, approximately 2 minutes reading time)

Graphs and Matrices

written by Eric J. Ma on 2019-06-15 | tags: graphs network science data science

The connection between graphs and linear algebra is profound and deep. I learned that lesson yet again. Come read more about it!

Read on... (189 words, approximately 1 minute reading time)

Mobile Working on the iPad

written by Eric J. Ma on 2019-06-14 | tags: productivity mobile

How I use my iPad as a mobile working station, and the pros and cons compared to a regular laptop.

Read on... (1102 words, approximately 6 minutes reading time)

Reasoning about Shapes and Probability Distributions

written by Eric J. Ma on 2019-05-29 | tags: bayesian probabilistic programming tensors data science probability distributions

I learned a ton hacking on PyMC4 with the TensorFlow Probability team in Montreal this year, particularly about probability distributions and semantic issues that we can run into with tensor shapes. If you’re curious, read on!

Read on... (1650 words, approximately 9 minutes reading time)

PyCon 2019 Sprints

written by Eric J. Ma on 2019-05-11 | tags: pycon software development sprint open source

Together with my colleague Zach Barry, we led a pyjanitor sprint! It was really fun, looking forward to more in the future!

Read on... (1880 words, approximately 10 minutes reading time)

Context Switching

written by Eric J. Ma on 2019-05-10 | tags: programming coding data science

Some realizations on how disruptive context switching can be. My first thoughts on how to deal with it during a sprint...

Read on... (240 words, approximately 2 minutes reading time)

PyCon 2019 Tutorial and Conference Days

written by Eric J. Ma on 2019-05-10 | tags: pycon 2019 conferences data science

My real-time thoughts on SciPy 2019’s tutorial and conference days. It’s been a pretty awesome experience thus far, though shouldering three tutorials was indeed a marathon for me, much as I love teaching!

Read on... (383 words, approximately 2 minutes reading time)

PyCon 2019 Pre-Journey

written by Eric J. Ma on 2019-04-29 | tags: pycon python data science conferences

I'm headed out to PyCon 2019! This year, I will be co-instructing two tutorials, one on network analysis and one on Bayesian statistics, and delivering one talk on Bayesian statistics.

The first... (read more)

(329 words, approximately 2 minutes reading time)

Variance Explained

written by Eric J. Ma on 2019-03-24 | tags: data science machine learning

Have you heard of variance explained as a loss function and machine learning metric? Turns out it’s quite useful and interpretable. I’d like to share this new learning with you.

Read on... (440 words, approximately 3 minutes reading time)

Functools Partial

written by Eric J. Ma on 2019-03-22 | tags: python hacks tips and tricks data science productivity coding

In praise of functools.partial, and how I used it in a Flask/Bokeh app!

Read on... (415 words, approximately 3 minutes reading time)

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