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Standardizing Analysis Periods in Data Manipulation for Transfemoral Amputation Research

This illustration outlines the process of standardizing analysis periods in data collection concerning long-term activity levels in individuals with transfemoral amputations. Initially, data was collected between May of Year 1 and April of Year 2. The dataset was then divided into two segments: Year 1 (May–December) and Year 2 (January–April). The Year 2 data was transposed to precede Year 1 data, forming a unified "annual" cycle from January to December, facilitating consistent analysis across the entire dataset.

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Standardizing Analysis Periods in Data Manipulation for Transfemoral Amputation Research

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  1. Figure 1. Illustration of step activity data manipulation to standardize periods of analysis. (1) Original period of data collection extended between May (year 1) and April (year 2). (2) Data segmented into periods in years 1 (May–December) and 2 (January–April). (3) Data from year 2 (January–April) transposed to precede data in year 1 (May–December), thereby creating standardized "annual" cycle (January–December). Halsne EG, Waddingham MG, Hafner BJ. Long-term activity in and among persons with transfemoral amputation. J Rehabil Res Dev. 2013;50(4):515–30.http://dx.doi.org/10.1682/JRRD.2012.04.0066

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