34 lines
3.2 KiB
Markdown
34 lines
3.2 KiB
Markdown
# Phone Keyboard
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Sensor parameters description for `[PHONE_KEYBOARD]`:
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|Key | Description |
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|----------------|-----------------------------------------------------------------------------------------------------------------------------------
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|`[CONTAINER]`| Data stream [container](../../datastreams/data-streams-introduction/) (database table, CSV file, etc.) where the keyboard data is stored
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!!! info "File Sequence"
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```bash
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- data/raw/{pid}/phone_keyboard_raw.csv
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- data/raw/{pid}/phone_keyboard_with_datetime.csv
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- data/interim/{pid}/phone_keyboard_features/phone_keyboard_{language}_{provider_key}.csv
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- data/processed/features/{pid}/phone_keyboard.csv
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```
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Features description for `[PHONE_KEYBOARD]`:
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|Feature |Units |Description|
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|-------------------------- |---------- |---------------------------|
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|sessioncount | - |Number of typing sessions in a time segment. A session begins with any keypress and finishes until 5 seconds have elapsed since the last key was pressed or the application that the user was typing on changes.
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|averagesessionlength | milliseconds | Average length of all sessions in a time segment instance
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|averageinterkeydelay |milliseconds |The average time between keystrokes measured in milliseconds.
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|changeintextlengthlessthanminusone | | Number of times a keyboard typing or swiping event changed the length of the current text to less than one fewer character.
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|changeintextlengthequaltominusone | | Number of times a keyboard typing or swiping event changed the length of the current text in exactly one fewer character.
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|changeintextlengthequaltoone | | Number of times a keyboard typing or swiping event changed the length of the current text in exactly one more character.
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|changeintextlengthmorethanone | | Number of times a keyboard typing or swiping event changed the length of the current text to more than one character.
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|maxtextlength | | Length in characters of the longest sentence(s) contained in the typing text box of any app during the time segment.
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|lastmessagelength | | Length of the last text in characters of the sentence(s) contained in the typing text box of any app during the time segment.
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|totalkeyboardtouches | | Average number of typing events across all sessions in a time segment instance.
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!!! note
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We did not find a reliable way to distinguish between AutoCorrect or AutoComplete changes, since both can be applied with a single touch or swipe event and can decrease or increase the length of the text by an arbitrary number of characters.
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