GENEAcore (version 1.1.2)

aggregate_epochs: Aggregate Epochs

Description

Aggregate Epochs

Usage

aggregate_epochs(
  time_series,
  measure = "AGSA",
  time = "timestamp",
  sample_frequency,
  duration = NA,
  first_epoch_timestamp = NA,
  fun = mean
)
aggregateEpochs(...)

Value

Data frame of aggregated epochs.

Arguments

time_series

Data frame to be aggregated.

measure

Name of the measure columns to be included.

time

Name of the time column.

sample_frequency

Measurement frequency of data.

duration

Time duration to aggregate in each epoch.

first_epoch_timestamp

Time to start the first epoch, defaults to first record.

fun

Function to apply on aggregation, defaults to mean.

...

Additional arguments passed to internal aggregation functions.

Details

Wrapper function that calls aggregate_periods for epochs (duration of fixed length).

Examples

timestamp <- c(
  1619424004, 1619424005, 1619424006, 1619424007,
  1619424008, 1619424009, 1619424010, 1619424011,
  1619424012, 1619424013, 1619424014, 1619424015
)
value <- c(
  0.729614366, 1.729115871, 0.804973546, 2.510181118,
  2.23764038, 0.613203747, 0.681953275, 0.089566943,
  0.021042388, 2.4780338, 2.437488989, 2.632635727
)
data <- data.frame(timestamp, value)
aggregated <- aggregate_epochs(data,
  duration = 5,
  measure = "value",
  sample_frequency = 1,
  first_epoch_timestamp = 1619424005,
  time = "timestamp"
)