Datasets:
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# Temi VOC/Smell Datasets (2025)
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This dataset includes processed smell collection metrics recorded by 2 versions of the SmartNanotubes [Smell Inspector](https://cdn.prod.website-files.com/67a0b744e71371ac7cb22fda/6810bcae6ccbea1631617e8b_SNT_Manual_Smell%20Inspector_V2.1.0.pdf). The sensor was attached to the tray of a [Temi robot](https://www.robotemi.com/product/temi/), which roamed our office on a set path for around 5 months. The robot patrolled every hour and recorded a few hundred smell data points on each run. At each smell data point (in the `processed/new-sensor.csv` file), the robot also took a picture using its front top camera of the area that it was in.
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Raw and processed CSV data and code for cleaning can be found on [github](https://github.com/Kentucky-Open-Science/Temi-VOC-Datasets).
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## Data Dictionary (`processed/old-sensor.csv`)
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| Column | Data Type | Purpose |
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|---------------------|--------------------------------|--------------------------------------------------------------------------------|
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| Timestamp | DateTime (YYYY-MM-DD hh:mm:ss) | The timestamp when the smell measurement was taken |
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| value_{0,1,2,...63} | float | Measurement from each of the 64 smell sensor channels (raw values from sensor) |
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| temperature | float | Measurement from the temperature sensor included in the smell sensor (Celsius) |
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| humidity | float | Measurement from the humidity sensor included in the smell sensor (%) |
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## Data Dictionary (`processed/new-sensor.csv`)
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| Column | Data Type | Purpose |
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|---------------------|--------------------------------|----------------------------------------------------------------------------------------------|
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| Timestamp | DateTime (YYYY-MM-DD hh:mm:ss) | The timestamp when the smell measurement was taken |
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| value_{0,1,2,...63} | float | Measurement from each of the 64 smell sensor channels (raw values from sensor) |
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| temperature | float | Measurement from the temperature sensor included in the smell sensor (Celsius) |
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| humidity | float | Measurement from the humidity sensor included in the smell sensor (%) |
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| robot_x_position | float | X position of the robot w.r.t. its home base |
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| robot_y_position | float | Y position of the robot w.r.t. its home base |
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| frame_filename | string | Filename of the picture taken by the robot when a smell was measured (see frames/ directory) |
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## License
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This dataset is licenced under the Apache License 2.0.
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