Published on in Vol 4, No 8 (2020): August
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/16727, first published
.
![Calibrating Wrist-Worn Accelerometers for Physical Activity Assessment in Preschoolers: Machine Learning Approaches Calibrating Wrist-Worn Accelerometers for Physical Activity Assessment in Preschoolers: Machine Learning Approaches](https://asset.jmir.pub/assets/b62fdbfbd9e371a61303517c6fd299da.png 480w,https://asset.jmir.pub/assets/b62fdbfbd9e371a61303517c6fd299da.png 960w,https://asset.jmir.pub/assets/b62fdbfbd9e371a61303517c6fd299da.png 1920w,https://asset.jmir.pub/assets/b62fdbfbd9e371a61303517c6fd299da.png 2500w)
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