datagovsgR
datagovsgR is a R package used to access data-frames returned by Developer API Tools from Data.gov.sg. The package calls upon the real-time APIs, to obtain information such as taxi availability, real time weather readings, weather forecasts and PSI readings.
Installation
You can install the latest version of datagovsgR through install_github in R.
install.packages("devtools")
devtools::install_github("clintonwxy/datagovsgR")Usage
An example of the psi function is shown below, which returns 12 different psi measures across 5 sectors in Singapore for a given date and time.
psi(date_time = "2019-11-08T17:30:02")
#> Closest timestamp: 2019-11-08T17:00:00+08:00
#> psi_measures west national east central south north
#> 1 o3_sub_index 12.00 20.00 13.00 20.00 13.00 17.00
#> 2 pm10_twenty_four_hourly 33.00 39.00 35.00 29.00 39.00 30.00
#> 3 pm10_sub_index 33.00 39.00 35.00 29.00 39.00 30.00
#> 4 co_sub_index 4.00 9.00 9.00 2.00 4.00 5.00
#> 5 pm25_twenty_four_hourly 21.00 22.00 21.00 18.00 22.00 19.00
#> 6 so2_sub_index 8.00 8.00 3.00 3.00 8.00 5.00
#> 7 co_eight_hour_max 0.43 0.95 0.95 0.24 0.39 0.52
#> 8 no2_one_hour_max 12.00 33.00 27.00 14.00 33.00 20.00
#> 9 so2_twenty_four_hourly 13.00 13.00 5.00 4.00 13.00 8.00
#> 10 pm25_sub_index 61.00 63.00 61.00 57.00 63.00 59.00
#> 11 psi_twenty_four_hourly 61.00 63.00 61.00 57.00 63.00 59.00
#> 12 o3_eight_hour_max 27.00 48.00 32.00 48.00 30.00 41.00An example of the taxi_availability function is shown below, which returns the total number of available taxis for a given date and time, and their locations in latitude and longitude
taxi_availability(date_time = "2019-08-07T09:30:00") %>%
head()
#> Timestamp: 2019-08-07T09:29:55+08:00
#> Availible Taxis: 4586
#> long lat
#> 1 103.6142 1.25267
#> 2 103.6235 1.28648
#> 3 103.6236 1.30047
#> 4 103.6238 1.28678
#> 5 103.6275 1.31123
#> 6 103.6282 1.31332Coverage
| APIs | Availability | Description/Remarks |
|---|---|---|
| IPOS applications API | Intellectual Property Office of Singapore / This dataset contains APIs for the retrieval for the following type of applications: - Patents - Designs - Trademarks | |
| Pollutant Standards Index (PSI) | :heavy_check_mark: | National Environment Agency / Overall and regional PSI data (24-hr PSI, Pollutant Concentration and Sub-Index) |
| Carpark Availability | :heavy_check_mark: | GovTech / Get the latest carpark availability in Singapore: - Retrieved every minute - Use the date_time parameter to retrieve the latest carpark availability at that moment in time - Detailed carpark information can be found at https://data.gov.sg/dataset/hdb-carpark-information - Limited to 60 requests per minute per API key |
| Realtime Weather Readings across Singapore | :heavy_check_mark: | National Environment Agency / NEA provides APIs for readings of temperature, humidity, precipitation and wind conditions at up to one-minute intervals. The data is provided at weather-station level. |
| Ultra-violet Index (UVI) | :heavy_check_mark: | National Environment Agency / UV Index value averaged over the past hour. Updated every hour between 7 AM and 7 PM everyday. |
| Traffic Images | Land Transport Authority / Returns links to images of live traffic conditions along expressways and Woodlands & Tuas Checkpoints. | |
| Taxi Availability | :heavy_check_mark: | Land Transport Authority / For access to real-time taxi availability data. Returns location coordinates of all Taxis that are currently available for hire. Does not include "Hired" or "Busy" Taxis. |
| PM2.5 | :heavy_check_mark: | National Environment Agency / Regional hourly PM2.5 value measured in μg/m3 |
| Weather Forecast | :heavy_check_mark: | National Environment Agency / Weather forecast for next 2 hours, next 24 hours and next 4 days. |