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In our most recent manuscript, we have shown that free-living gait characteristics extracted from wrist-worn accelerometry data can predict future falls in older adults better than the in-clinic assessment of mobility #Wearables #WearableTech

Many thanks to Jennifer Schrack, PhD @martakarass Stephen Juraschek MD, PhD, FAHA, AHSCP-CHS Amal A. Wanigatunga Yurun Cai Christine Mitchell, David Roth, and Larry Apple for supporting this work on free-living mobility measured by #wearables. academic.oup.com/biomedgerontol…

Congratulations! It is a pleasure to build Lhotse on top of PyTorch.

Feeling fatigued? A new Pitt Public Health study shows the Pittsburgh Fatigability Scale predicts likelihood of death in older people. Results are published Gerontological Society of America (GSA). More here: upmc.me/3FZKdcD

New paper about a somewhat unusual application of ASR: using it to guess what sounds exist in languages that the ASR has never seen in training, aka "phonetic inventory discovery." It's quite exciting because we were able to identify some sounds that are discovered quite well!

The DFT is the discrete Fourier transform. The FFT is an algorithm for computing the DFT.

Our group is looking for a postdoctoral fellow to work on novel statistical methods for functional, distributional, and time-series data collected by multi-sensor wearables. Please RT.

Come to join this great team If you are interested in developing novel statistical methods (functional and distributional methods) for data collected by multi-sensor wearable devices. Vadim Zipunnikov 🇺🇦 is a great mentor and highly recommended!

Downsampling by lowpass filtering following by compression is called decimation.

Taking more #steps per day is associated with progressively lower risk of all-cause mortality 👣👣👣 Meta-analysis 👉🏽thelancet.com/journals/lanpu… via The Lancet #physicalactivity #exercise #stepcount #stepchallenge

Congratulations to Debangan Dey with a phenomenal defense! Really looking forward to seeing you keep doing a groundbreaking work in biostatistics!

Learn Fourier analysis using live scripts and apps spr.ly/6016Kl6yk

U.S. News published its first-ever ranking of doctoral programs in biostatistics. Career opportunities are expected to grow in this field, inspiring this addition. 😆🎉 usnews.com/best-graduate-…

Just to say how privileged I feel for our jhubiostat faculty, staff, students, fellows, & alumni! Congratulations to you all on US News co-#1 ranking among US doctoral programs. Gratitude too to our colleagues nationwide for your generous regard-- Johns Hopkins Bloomberg School of Public Health

Happening now! Pitt Public Health Dean’s Day. Doctoral student Susanna presenting the novel Pittsburgh Performance Fatigability Index - PPFI!. Susanna Qiao Jacek K. Urbanek Pitt Public Health @kylemoored Jennifer Schrack, PhD Jaroslaw Harezlak

Our novel accelerometry-based measure-The Pittsburgh Performance Fatigability Index (PPFI)-is published Medicine & Science in Sports & Exercise! Open up potential to objectively monitor fatigability in real-world. Thanks my coauthors for great collaboration Nancy W. Glynn PhD Jennifer Schrack, PhD @kylemoored Jacek K. Urbanek

Pablo Martinez Amezcua, MD, PhD, MHS has joined the Cochlear Center faculty as an Assistant Professor in the JHSPH Epi Department . Learn more about Pablo's research interests in healthy aging, cognitive health & sensory loss: bit.ly/3MLmAt5 Welcome, Pablo Martinez Amezcua !

A single approach that can recognise walking with a variety of body-worn devices regardless of walking style, sensor location and configuration is presented in this paper to estimate walking time, cadence and step count. nature.com/articles/s4174…

Principal Component Analysis in a gif. The first principal component of a matrix is the first dimension of the orthogonal transformation that maximizes the variability of that first dimension. These transformations can be visualized as rotations of the points in the matrix rows.

Data from wearables can characterize daily physical activity and its change over time in persons with Amyotrophic Lateral Sclerosis, and were significantly associated with clinical patient reported outcome measures… a potential future digital endpoint? nature.com/articles/s4174…