48 lines
3.4 KiB
Markdown
48 lines
3.4 KiB
Markdown
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# Empatica Inter Beat Interval
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Sensor parameters description for `[EMPATICA_INTER_BEAT_INTERVAL]`:
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|Key | Description |
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|----------------|-----------------------------------------------------------------------------------------------------------------------------------
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|`[TABLE]`| Name of the CSV file containing inter beat interval data that is compressed inside an Empatica zip file. Since these zip files are created [automatically](https://support.empatica.com/hc/en-us/articles/201608896-Data-export-and-formatting-from-E4-connect-) by Empatica, there is no need to change the value of this attribute.
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## DBDP provider
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!!! info "Available time segments and platforms"
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- Available for all time segments
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!!! info "File Sequence"
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```bash
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- data/raw/{pid}/empatica_inter_beat_interval_unzipped_{zip-file}.csv # one per zip file
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- data/raw/{pid}/empatica_inter_beat_interval_raw_{zip-file}.csv # one per zip file
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- data/raw/{pid}/empatica_inter_beat_interval_joined.csv
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- data/raw/{pid}/empatica_inter_beat_interval_with_datetime.csv
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- data/interim/{pid}/empatica_inter_beat_interval_features/empatica_inter_beat_interval_{language}_{provider_key}.csv
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- data/processed/features/{pid}/empatica_inter_beat_interval.csv
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```
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Parameters description for `[EMPATICA_INTER_BEAT_INTERVAL][PROVIDERS][DBDP]`:
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|Key | Description |
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|----------------|-----------------------------------------------------------------------------------------------------------------------------------
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|`[COMPUTE]` | Set to `True` to extract `EMPATICA_INTER_BEAT_INTERVAL` features from the `DBDP` provider|
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|`[FEATURES]` | Features to be computed from inter beat interval intraday data, see table below |
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Features description for `[EMPATICA_INTER_BEAT_INTERVAL][PROVIDERS][DBDP]`:
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|Feature |Units |Description|
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|-------------------------- |-------------- |---------------------------|
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|maxibi |seconds |The maximum inter beat interval during a time segment.
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|minibi |seconds |The minimum inter beat interval during a time segment.
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|avgibi |seconds |The average inter beat interval during a time segment.
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|medianibi |seconds |The median of inter beat interval during a time segment.
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|modeibi |seconds |The mode of inter beat interval during a time segment.
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|stdibi |seconds |The standard deviation of inter beat interval during a time segment.
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|diffmaxmodeibi |seconds |The difference between the maximum and mode inter beat interval during a time segment.
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|diffminmodeibi |seconds |The difference between the mode and minimum inter beat interval during a time segment.
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|entropyibi |nats |Shannon’s entropy measurement based on inter beat interval during a time segment.
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!!! note "Assumptions/Observations"
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For more information about IBI read [this](https://support.empatica.com/hc/en-us/articles/360030058011-E4-data-IBI-expected-signal).
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