# IPM3211 City-Scale Noise and Heat Analysis — Data
来源：https://www.kaggle.com/competitions/IPM3211-City-Heat-Noise/data
本地 Meta Kaggle 快照；不是本次实时页面。
# Dataset Description
## Cozie data
| Field name | Type | Unit | Description |
|---------------------------------|-----------|------|-------------|
| `id_participant` | string | - | Unique identifier for each participant |
| `id_unique` | string | - | Unique identifier for row |
| `index` | timestamp | time |Timestamp (UTC) of when micro survey was submitted, also serves as index |
| `q_activity_category_alone` | string | - | Response to watch survey question 'Category of activity? (alone)' |
| `q_activity_category_group` | string | - | Response to watch survey question 'Category of activity? (group)' |
| `q_alone_group` | string | - | Response to watch survey question 'Alone or in a group?'
| `q_earphones` | string | - | Response to watch survey question 'Wearing earphones?' |
| `q_location` | string | - | Response to watch survey question 'Where are you?' |
| `q_location_office` | string | - | Response to watch survey question 'What kind of office' |
| `q_location_transport` | string | - | Response to watch survey question 'What kind of transport?' |
| `q_noise_kind` | string | - | Response to watch survey question 'What kind of noise?' |
| `q_noise_nearby` | string | - | Response to watch survey question 'Noise distractions nearby? (without earphones)' |
| `q_thermal_preference` | string | - | Response to watch survey question 'Thermally, what do you prefer now?' |
| `ts_audio_exposure_environment` | float | dB(A)| Noise level, provided by [Apple HealthKit](https://developer.apple.com/documentation/healthkit/hkquantitytypeidentifier/3081271-environmentalaudioexposure) |
| `ts_heart_rate` | float | bpm | Heart rate, provided by [Apple HealthKit](https://developer.apple.com/documentation/healthkit/hkquantitytypeidentifier/1615138-heartrate)|
| `ts_oxygen_saturation` | float | % | Blood oxygen saturation provided by [Apple HealthKit](https://developer.apple.com/documentation/healthkit/hkquantitytypeidentifier/1615377-oxygensaturation) |
| `ts_resting_heart_rate` | float | bpm | Resting heart rate, provided by [Apple HealthKit](https://developer.apple.com/documentation/healthkit/hkquantitytypeidentifier/2867756-restingheartrate) |
| `ts_stand_time` | float | min | Stand time, provided by [Apple HealthKit](https://developer.apple.com/documentation/healthkit/hkquantitytypeidentifier/3174858-applestandtime) |
| `ts_step_count` | float | steps | Number of steps walked, provided by [Apple HealthKit](https://developer.apple.com/documentation/healthkit/hkquantitytypeidentifier/1615548-stepcount) |
| `ts_walking_distance` | float | m | Distance walked, provided by [Apple HealthKit](https://developer.apple.com/documentation/healthkit/hkquantitytypeidentifier/1615230-distancewalkingrunning) |
| `ws_latitude` | float | ° | Latitude |
| `ws_longitude` | float | ° | Longitude |
| `ws_survey_count` | float | - | Increasing counter for each micro-survey response. Resets when Cozie app is (re-)installed. |
| `ws_timestamp_location` | datetime | time | Timestamp of the location measurement |
| `ws_timestamp_start` | datetime | time | Timestamp of when micro survey was started |
| `dT` | float | min | Duration between the current and the previous watch survey response in minutes |
## Spatial Indicators
The spatial indicators (building morphology, population, point of interest) are only available for data points within Singapore.
For more information on the spatial indicators please refer to [Table 1](https://www.nature.com/articles/s41597-023-02578-1/tables/1) of [Yap, W., Biljecki, F. A Global Feature-Rich Network Dataset of Cities and Dashboard for Comprehensive Urban Analyses. Sci Data 10, 667 (2023). ](https://www.nature.com/articles/s41597-023-02578-1)
| **Building Morphology** | | | |
|-------------------------------|-------|-----|------------------------|
| `Footprint Proportion` | float | % | Footprint proportion |
| `Footprint Mean` | float | m2 | Mean area |
| `Footprint Stdev` | float | m2 | Area standard deviation |
| `Perimeter Total` | float | m | Total perimeter |
| `Perimeter Mean` | float | m | Mean perimeter |
| `Perimeter Stdev` | float | m | Perimeter standard deviation |
| `Complexity Mean` | float | m | Complexity mean |
| `Complexity Stdev` | float | m | Complexity standard deviation |
| `Building Count` | float | count | No. of buildings |
| **Population** | | | |
| `PopSum` | float | count | Total Population |
| `Men` | float | count | Male population |
| `Women` | float | count | Female population |
| `Elderly` | float | count | Elderly (aged 60+ years) population |
| `Youth` | float | count | Young (15-24 years) population |
| `Children` | float | count | Child (<5 years) population |
| **Point of Interest** | | | |
| `Civic` | float | count | Civic amenities |
| `Commercial` | float | count | Commercial amenities |
| `Entertainment` | float | count | Entertainment amenities |
| `Food` | float | count | Food amenities |
| `Healthcare` | float | count | Healthcare amenities |
| `Institutional` | float | count | Institutional amenities |
| `Recreational` | float | count | Recreational amenities |
| `Social` | float | count | Social amenities |
| `Green View Mean` | float | - | Green view index |
| `Green View Stdev` | float | - | Green view index, standard deviation |
| `Sky View Mean` | float | - | Sky view index |
| `Sky View Stdev` | float | - | Sky view index, standard deviation |
| `Building View Mean` | float | - | Building view index |
| `Building View Stdev` | float | - | Building view index, standard deviation |
| `Road View Mean` | float | - | Road view index |
| `Road View Stdev` | float | - | Road view index, standard deviation |
| `Visual Complexity Mean` | float | - | Visual complexity index |
| `Visual Complexity Stdev` | float | - | Visual complexity index, standard deviation |
## Weather data
| Measurement | Unit | Accuracy |
|-------------------------|------|------------|
| Air temperature | °C | ±0.1°C |
| Relative humidity | % | ±1% |
| Rain fall | mm | 2% at 1 l/h (0.26 gal/h) |
| Wind speed | knots | 0-35 m/s: ±0.3 m/s or ±3 % whichever is greater
35 m/s ... 60 m/s: ±5 % |
| Wind direction | ° | ±3° |
Source: [National Environment Agency (NEA) via data.gov.sg](https://beta.data.gov.sg/collections/1459/view)