PAAL ADL Accelerometry dataset

The PAAL ADL Accelerometry dataset has been acquired with a high-quality wearable multisensor device, the Empatica E4. In this dataset, among the signals collected by the sensors embedded in the Empatica E4, only the acceleration has been extracted to monitor the users performing different activities of daily living (ADLs). To promote the real-life acquisition procedure, subjects acted in their natural environment, with no instructions about how and for how long to perform each activity. The dataset includes 24 different ADLs performed using real objects. Each activity was repeated between 3 and 5 times by 33 healthy subjects, characterized by a gender balance (19 females and 14 males), and a large age range (between 18 and 77 years, mean = 45.24 years and standard deviation = 18.24 years). The PAAL ADL Accelerometry dataset is composed of three files: users.csv: each line contains (user id, gender, age) of each user performing the ADLs in the dataset ADLs.csv: each line contains (ADL id, ADL name) data.zip: folder with 3,794 files of accelerometer data of users performing ADLs. The name of each file indicates the name of the ADL, the user id and the repetition. Each row in the files represents the continuous gravitational force (g) applied to each of the three spacial dimensions (x, y, and z). The scale is limited to +-2g. The sampling frequency is 32 Hz, with a resolution of 0.015 g (8 bit). More information about the format here.PAAL ADL加速度数据集（PAAL ADL Accelerometry dataset）采用高品质可穿戴多传感器设备Empatica E4采集得到。在该数据集中，仅提取Empatica E4内置传感器采集的各类信号中的加速度信号，用于监测受试者完成各类日常活动（Activities of Daily Living，ADLs）。为还原真实生活中的采集场景，受试者在自然环境中完成活动，无需遵循任何关于活动执行方式或时长的指导要求。本数据集包含24种使用真实物品完成的日常活动，共有33名健康受试者参与采集，受试者群体性别分布均衡（女性19名，男性14名），年龄跨度广泛（18至77岁，平均年龄45.24岁，标准差18.24岁）；每项活动由每位受试者重复完成3至5次。PAAL ADL加速度数据集包含三个文件：users.csv：每行存储（用户ID、性别、年龄）信息，对应数据集中参与日常活动采集的每位用户；ADLs.csv：每行存储（活动ID、活动名称）信息；data.zip：包含3794个用户完成日常活动时的加速度数据文件的压缩包，每个文件的文件名包含对应日常活动名称、用户ID及重复次数信息。文件内每行数据代表三维空间（x、y、z轴）各自受到的连续重力加速度（单位：g），量程限定为±2g，采样频率为32Hz，分辨率为0.015g（8位量化）。更多格式相关信息可查阅此处。