Man pages for AGread
Read Data Files from ActiGraph Monitors

AG_binaryConvert a raw elements to a binary sequence
AG_collapseCollapse primary accelerometer data
AG_col_namesMap variable inclusion to columns in csv file
ag_imu_formatFormat columns in collapsed IMU data
AG_insertCalculate a new variable and insert it in a data frame
AG_mergeMerge primary accelerometer data with IMU data
AG_metaExtract meta-data from file header
ag_raw_formatFormat columns in collapsed raw data
AGreadRead Data Files from ActiGraph Monitors
AGread-deprecatedDeprecated functions in package 'AGread'.
AG_timeAdd time variable to processed data
bin_intCalculate an integer from a binary sequence
calibrate_rawPerform autocalibration using GGIR package
capability_collapseCollapse a character vector for tidy printing
capitalizeCapitalize a string vector
check_columnsCheck if the primary accelerometer file is formatted...
check_idCheck sensor payload ID prior to parsing the packet
check_incTest whether inclinometer variables have been correctly...
check_secondCheck if the IMU data start on an exact second
checksumCCalculate checksum for a packet in C++
classify_magnetometerConvert magnetometer signal to cardinal direction
collapse_gt3xCollapse data that were read using 'read_gt3x'
collapse_packet_setCollapse a set of processed gt3x packets
empty_rawConstruct missing packet entries for ACTIVITY2 (RAW) data
format_sleep_eventsFormat idle sleep information from EVENT records
get_blocksAssign blocks to data stream for reintegration
get_day_of_yearJulian Date
get_duration-deprecatedProvide the run time of processing
get_file_size__gbGet the size of a file in GB
get_float_valueRetrieve the float value for appropriate PARAMETERS records
get_headersRetrieve record headers from .gt3x binary data
get_headersCCollect information about the packets stored in log.bin
get_imu_file_metaGet file metadata (sampling frequency, start time, and...
get_minuteNumerical Minute of the Day.
get_primary_accel_scaleRetrieve the primary accelerometer scale factor
get_raw_file_metaGet file metadata (sampling frequency and timestamps) for...
get_sensor_columnParse a column of sensor data
get_shortFlexibly (big/little endian, signed/unsigned) convert two raw...
get_timesDetermine the expected timestamps for primary accelerometer...
get_valueEvaluate the value portion of a PARAMETERS record
get_VMCalculate vector magnitude
impute_IMUImpute IMU data for missing packets
impute_primaryImpute primary accelerometer data for missing packets
imu_collapseCollapse raw IMU data to a specified epoch
imu_dfConvert parsed packet data from list to data frame
imu_filter_gyroscopeLow-Pass filter Gyroscope data
imu_name_labelFix the column names in IMU data during collapsing
imu_to_checkIMU data to check
imu_to_collapseIMU data to collapse
imu_var_collapseCollapse an IMU variable
interpolate_sensor_recordsPerform linear interpolation to fill in SENSOR_DATA payloads...
interval_matchMatch a resampled interval proportion to its corresponding...
message_updatePrint processing updates to console
mid_roundPerform midpoint rounding the ActiGraph way
next_separatorFind the next record separator
packet_printPrint packet-parsing information to console
par_battery_stateParse PARAMETERS packet for battery state
par_battery_voltageParse PARAMETERS packet for battery voltage
par_calibration_timeParse PARAMETERS packet for calibration time
par_display_capabilitiesParse PARAMETERS packet for display capabilities
par_display_configurationParse PARAMETERS packet for display configuration
par_feature_capabilitiesParse PARAMETERS packet for feature capabilities
par_feature_enableParse PARAMETERS packet for enabled features
par_firmware_versionParse PARAMETERS packet for firmware version
par_memory_sizeParse PARAMETERS packet for memory size
parse_IMU_CParse all IMU packets in a file
parse_info_txtParse the info component of a gt3x file
parse_log_binParse the log component of a gt3x file
par_sensor_configurationParse PARAMETERS packet for sensor configuration
parse_packet_setParse all packets of a given type
parse_primary_accelerometerCParse all primary accelerometer packets in a file
par_wireless_modeParse PARAMETERS packet for wireless mode
par_wireless_serial_numberParse PARAMETERS packet for wireless serial number
payload_parse_activity2_26CParse a packet of primary accelerometer data in C++
payload_parse_sensor_data_25Parse SENSOR_DATA packet
payload_parse_sensor_data_25CParse SENSOR_DATA packet in c++
print_progCPrint progress updates while parsing packets in C++
process_parametersSecond-level function for parsing PARAMETERS packets
raw_to_collapsePrimary accelerometer data to collapse
read_AG_countsRead data table files containing count values
read_AG_IMUFile reading function for IMU files
read_AG_rawFile reading function for primary accelerometer files
read_AG_raw_blockRead a large raw file in blocks
read_gt3xRead data from a gt3x file
reintegrateReintegrate a data stream
rm_trail_naRemove trailing rows with missing values from data frame
schema_metaParse metadata from a SENSOR_SCHEMA packet
select_recordsExclude record headers of types that are not listed in the...
sensor_resampleResample a sensor data stream
seq_interpolateOne-dimensional linear interpolation
setup_payloadRetrieve payload data for a single packet
sort_recordsSort chronologically-ordered record headers by type, for...
tick_to_posixConvert a tick value to a timestamp
update_keyFinal formatting for a PARAMETERS result
validate_includeValidate the values provided for the 'input' argument in...
zero2oneInterpolation-specific sequencer
AGread documentation built on Feb. 26, 2020, 5:12 p.m.