Brown University Department of Biostatistics
Center for Statistical Sciences
Computation in Brain and Mind
Brown Institute for Brain Science
Brown Data Science Initiative
Brown University, ADOCH April 19, 2017
Slides at
bit.ly/data1704
Big Data and Brain
100 million (
1011) neurons
100 trillion (
1014) neuronal connections
fMRI data: blood-oxygen-level dependent (BOLD) signals from each
cube/voxel (~millimeters),
105 ~ 106 voxels in total.
Complex Data: fMRI Studies
Sub 1, Sess 1
Time 1
2
…
~200
⋮
Sub i, Sess j
…
⋮
Sub ~100, Sess ~4
…
Large, multilevel (subject, sess, voxel) data
100×4×300×106≈100 billion data points
Predicting Cocaine Relapses
Image: Luo et al, 13
Complex Models: Brain Networks
Find brain networks with 1 trillion (
1012) possible connections
Thanks to the support of Office of the Provost, the Sheridan Center, and School of Professional Studeis
"Youtube" in Class
Video tutorials on cloud computing, Hadoop, and many other big data technologies
Case Study: Twitter
Hillary Clinton
Bernie Sanders
Imge: wikipedia
Excerpt of Data
Jaime Zhang, student in SMBD
Statistical test: p<10−4
Jaime Zhang, student in SMBD
Undergraduate Research
Summary
Big data extraction and management
Complex mathematical modeling
Extract knowledge from data
Course PHP 2650 SLBD covers the above points
Research projects for undergraduates
Thank you!
BigComplexData.com
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From Big Data to Knowledge: Brain, Twitter, and Beyond
Xi (Rossi) Luo
Brown University
Department of Biostatistics
Center for Statistical Sciences
Computation in Brain and Mind
Brown Institute for Brain Science
Brown Data Science Initiative
Brown University, ADOCH
April 19, 2017
Slides at
bit.ly/data1704