16 lines
831 B
Markdown
16 lines
831 B
Markdown
---
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id: rate-of-speech
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title: Rate of Speech
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---
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Rate of speech is simply a measure of words spoken per given unit of time. We measure this in words spoken per minute. However, for convenience, we are also outputting as a variable simply the length of the file that was analyzed and hence multiplying `nlp_wordsPerMin_mean` by `nlp_totalTime_mean` will give the total number of words spoken.
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> Please note that the latter measurement is in seconds, so one would have to divide it by 60 first :)
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## Derived Variables
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| Variable | Description |
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| ----------- | ----------- |
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| `nlp_wordsPerMin_mean` | **Rate of speech**, in average number of words spoken per minute. |
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| `nlp_totalTime_mean` | **Total time in seconds**, of the video or audio file from which the rate of speech measurement was acquired. |
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