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Dataset

DAPPER

daily ambulatory physiological + ecological momentary emotion (E4)

PPGIMUEDATempSynapseRaw waveforms
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Real-life ambulatory emotion with continuous E4 and ecological momentary assessments. FEEL Table 1: Real-life, self-report. Synapse ID syn23578800.

At a glance
Type
Dataset
Host
Synapse (opens in a new tab)
DOI
Not reported
Licence
Not reported
Access
Not reported
Subjects
90
Signals
PPGIMUEDATemp
Devices
PPG sites
Wrist
Setting
In the wild
Wrist
Yes
Raw waveforms
Yes
Tasks
Emotion
Updated
Oct 27, 2026
DAPPER: ChatPPG research summary card

Key numbers

90
Subjects
1
Reference labels
EMOTION
32Hz
Released sampling rate
E4 BVP 64Hz, EDA/TEMP 4Hz, ACC 32Hz + EMA emotion prompts

How it works

How DAPPER works: Devices & body sites → Signals recorded → TasksDevices & body sites: Empatica E4 (Empatica · Wrist). PPG sites: Wrist. Signals recorded: DAPPER, 90 subjects · 32Hz, signals PPG, IMU, EDA, Temperature. Tasks: Stress.Devices & body sitesEmpatica E4: Empatica · WristEmpatica E4Empatica · WristPPG sites: WristPPG sitesWristSignals recordedDAPPER90 subjects · 32HzPPGxyzIMUEDATemperatureTasksStressStress

No model in the hub reports results on this dataset yet.

Sampling
E4 BVP 64Hz, EDA/TEMP 4Hz, ACC 32Hz + EMA emotion prompts
Reference labels
emotion
Device roles
Study wearable (IMU)

Devices· 1

Product photograph of a black Empatica E4 wristband, seen from above
Empatica E4
Empatica · Wrist
PPGIMUEDATemp
Product image: Empatica

Full photo credits, sources and licences are on each device page.

Models trained or evaluated on it

No model in the hub reports results on DAPPER yet. Be the first: results submitted with a paper are added here.

Papers using it· 1

FAQ

How many subjects are in DAPPER?

DAPPER has data from 90 subjects, as listed in its research record.

What signals does DAPPER include?

DAPPER includes PPG, EDA, accelerometer and skin temperature data. Sampling rate as recorded: E4 BVP 64Hz, EDA/TEMP 4Hz, ACC 32Hz + EMA emotion prompts. Raw waveforms are included.

What can DAPPER be used for?

Research tasks it supports: emotion recognition. Reference labels: emotion.

How do I get DAPPER, and what is its licence?

It is hosted on Synapse at https://www.synapse.org/Synapse:syn23578800. No licence is recorded for it here, so check the terms on the source page before you use it.

Was DAPPER recorded with a wrist-worn device?

Yes. Its record lists wrist-worn recording.

Cite

No citation metadata yet.

Cite the ChatPPG record

Cite the dated snapshot 2026-10 for a fixed, reproducible version. Please also cite the original publications listed above.

APA

ChatPPG. (2026). DAPPER: dataset record (Version 2026-10) [Data set]. ChatPPG Research Hub. https://chatppg.com/research/datasets/dapper

BibTeX
@misc{chatppg_dataset_dapper,
  author       = {{ChatPPG}},
  title        = {{DAPPER: dataset record}},
  year         = {2026},
  month        = oct,
  version      = {2026-10},
  howpublished = {\url{https://chatppg.com/research/datasets/dapper}},
  note         = {ChatPPG Research Hub, Snapshot 2026-10, https://chatppg.com/research/snapshots/2026-10}
}
CITATION.cff
cff-version: 1.2.0
message: "If you use this resource, please cite it as below."
type: dataset
title: "DAPPER: dataset record"
authors:
  - name: "ChatPPG"
url: "https://chatppg.com/research/datasets/dapper"
repository-artifact: "https://chatppg.com/research/snapshots/2026-10"
version: "2026-10"
date-released: "2026-10-27"

History

  1. Record updated

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