| AGread-package | Read Data Files from ActiGraph Monitors |
| AGread | Read Data Files from ActiGraph Monitors |
| AG_collapse | Collapse primary accelerometer data |
| AG_insert | Calculate a new variable and insert it in a data frame |
| AG_merge | Merge primary accelerometer data with IMU data |
| AG_meta | Extract meta-data from file header |
| check_columns | Check if the primary accelerometer file is formatted correctly |
| check_second | Check if the IMU data start on an exact second |
| classify_magnetometer | Convert magnetometer signal to cardinal direction |
| collapse_gt3x | Collapse data that were read using 'read_gt3x' |
| collapse_gt3x.IMU | Collapse data that were read using 'read_gt3x' |
| collapse_gt3x.RAW | Collapse data that were read using 'read_gt3x' |
| get_day_of_year | Julian Date |
| get_imu_file_meta | Get file metadata (sampling frequency, start time, and samples per epoch) for IMU |
| get_minute | Numerical Minute of the Day. |
| get_raw_file_meta | Get file metadata (sampling frequency and timestamps) for primary accelerometer |
| imu_collapse | Collapse raw IMU data to a specified epoch |
| imu_filter_gyroscope | Low-Pass filter Gyroscope data |
| imu_to_check | IMU data to check |
| imu_to_collapse | IMU data to collapse |
| raw_to_collapse | Primary accelerometer data to collapse |
| read_AG_counts | Read data table files containing count values |
| read_AG_IMU | File reading function for IMU files |
| read_AG_raw | File reading function for primary accelerometer files |
| read_gt3x | Read data from a gt3x file |
| reintegrate | Reintegrate a data stream |