agcounts:一个R包来计算ActiGraph活动计数从便携式加速度计
Brian C Helsel1, Paul R Hibbing2, Robert N Montgomery3
1KU Alzheimer's Disease Research Center, The University of Kansas Medical Center, Kansas City, KS, USA.
概括
一个新的R包,agcounts,翻译了ActiGraph.
科学领域:
- 身体活动研究研究.
- 生物医学数据科学是生物医学数据科学.
- 开源软件开发开源软件开发
背景情况:
- 便携式加速度计,如ActiGraph,对于测量研究中的身体活动至关重要.
- 在2022年2月,ActiGraph发布了其活动计数算法和Python包,提高了透明度.
- Python 软件包缺乏与 R 统计编程语言的整合,这阻碍了其在 R 基础研究社区中的使用.
研究的目的:
- 为ActiGraph的Python包开发基于R的翻译,用于活动计数生成.
- 创建一个名为"agcounts"的R包,以简化体育活动数据处理.
- 讨论开源工具对物理行为协作研究的影响.
主要方法:
- 通过翻译ActiGraph的Python算法开发了一个R包 ("agcounts").
- 在R包中集成了额外的扩展,以提高数据处理效率.
- 评估了"agcounts"套件的功能和扩展.
主要成果:
- 成功创建了"agcounts" R 包,为 ActiGraph 数据处理提供了基于 R 的替代方案.
- 该套件提供了增强的功能,为最终用户提供更简单,更快速的数据分析.
- 在物理行为研究中展示了合作开源软件开发的潜力.
结论:
- "agcounts" R 包有助于在 R 生态系统中使用 ActiGraph 数据.
- 建议使用来自设备制造商的开源算法来促进透明度和协作.
- 鼓励研究人员为"agcounts"和类似开源工具的开发做出贡献.
相关概念视频
One-Compartment Open Model: Wagner-Nelson and Loo Riegelman Method for ka Estimation
387
This lesson introduces two critical methods in pharmacokinetics, the Wagner-Nelson and Loo-Riegelman methods, used for estimating the absorption rate constant (ka) for drugs administered via non-intravenous routes. The Wagner-Nelson method relates ka to the plasma concentration derived from the slope of a semilog percent unabsorbed time plot. However, it is limited to drugs with one-compartment kinetics and can be impacted by factors like gastrointestinal motility or enzymatic degradation.
On...
On...
387
Statistical Methods for Analyzing Epidemiological Data
301
Epidemiological data primarily involves information on specific populations' occurrence, distribution, and determinants of health and diseases. This data is crucial for understanding disease patterns and impacts, aiding public health decision-making and disease prevention strategies. The analysis of epidemiological data employs various statistical methods to interpret health-related data effectively. Here are some commonly used methods:
301
Actuarial Approach
63
The actuarial approach, a statistical method originally developed for life insurance risk assessment, is widely used to calculate survival rates in clinical and population studies. This method accounts for participants lost to follow-up or those who die from causes unrelated to the study, ensuring a more accurate representation of survival probabilities.
Consider the example of a high-risk surgical procedure with significant early-stage mortality. A two-year clinical study is conducted,...
Consider the example of a high-risk surgical procedure with significant early-stage mortality. A two-year clinical study is conducted,...
63
z Scores and Area Under the Curve
10.4K
z scores are the standardized values obtained after converting a normal distribution into a standard normal distribution. A z score is measured in units of the standard deviation. The z score tells you how many standard deviations the value x is above (to the right of) or below (to the left of) the mean, μ. Values of x that are larger than the mean have positive z scores, and values of x that are smaller than the mean have negative z scores. If x equals the mean, then x has a z score of...
10.4K


