rapids/docs/features/phone-messages.md

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# Phone Messages
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Sensor parameters description for `[PHONE_MESSAGES]`:
|Key                              | Description |
|----------------|-----------------------------------------------------------------------------------------------------------------------------------
|`[TABLE]`| Database table where the messages data is stored
## RAPIDS provider
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!!! info "Available time segments and platforms"
- Available for all time segments
- Available for Android only
!!! info "File Sequence"
```bash
- data/raw/{pid}/phone_messages_raw.csv
- data/raw/{pid}/phone_messages_with_datetime.csv
- data/interim/{pid}/phone_messages_features/phone_messages_{language}_{provider_key}.csv
- data/processed/features/{pid}/phone_messages.csv
```
Parameters description for `[PHONE_MESSAGES][PROVIDERS][RAPIDS]`:
|Key                              | Description |
|----------------|-----------------------------------------------------------------------------------------------------------------------------------
|`[COMPUTE]`| Set to `True` to extract `PHONE_MESSAGES` features from the `RAPIDS` provider|
|`[MESSAGES_TYPES]` | The `messages_type` that will be analyzed. The options for this parameter are `received` or `sent`.
|`[FEATURES]` | Features to be computed, see table below for `[MESSAGES_TYPES]` `received` and `sent`
Features description for `[PHONE_MESSAGES][PROVIDERS][RAPIDS]`:
|Feature |Units |Description|
|-------------------------- |---------- |---------------------------|
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|count |messages |Number of messages of type `messages_type` that occurred during a particular `time_segment`.
|distinctcontacts |contacts |Number of distinct contacts that are associated with a particular `messages_type` during a particular `time_segment`.
|timefirstmessages |minutes |Number of minutes between 12:00am (midnight) and the first `message` of a particular `messages_type` during a particular `time_segment`.
|timelastmessages |minutes |Number of minutes between 12:00am (midnight) and the last `message` of a particular `messages_type` during a particular `time_segment`.
|countmostfrequentcontact |messages |Number of messages from the contact with the most messages of `messages_type` during a `time_segment` throughout the whole dataset of each participant.
!!! note "Assumptions/Observations"
1. `[MESSAGES_TYPES]` and `[FEATURES]` keys in `config.yaml` need to match. For example, `[MESSAGES_TYPES]` `sent` matches the `[FEATURES]` key `sent`