amplitude_median.rst

Amplitude median (amplitude_median)

Calculation

Geometric median amplitude is computed in the log domain. The metric is then converted back to original units.

Expectation and use

A larger value (larger signal) indicates a better unit.

Example code

import spikeinterface.qualitymetrics as sqm

# It is also recommended to run `compute_spike_amplitudes(wvf_extractor)`
# in order to use amplitude values from all spikes.
amplitude_medians = sqm.compute_amplitude_medians(waveform_extractor=wvf_extractor)
# amplitude_medians is a dict containing the unit IDs as keys,
# and their estimated amplitude medians as values.

Reference

spikeinterface.qualitymetrics.misc_metrics.compute_amplitude_medians

Links to original implementations

• From IBL

Literature

Introduced by [IBL].