OpenIntro Statistics Dataset - pm25_2011_durham

Documentation

This dataset was taken from the list of OpenIntro dataset files found at https://www.openintro.org/data/.

OpenIntro features a number of free books that can be used in high school and AP statistics courses. The license on these datasets is currently unknown. You can find out more about OpenIntro at https://www.openintro.org.

pm25_2011_durham

Daily air quality is measured by the air quality index (AQI) reported by theEnvironmental Protection Agency.

Variables

  • date - Date
  • aqs_site_id - a factor with levels 37-063-0015
  • poc - a numeric vector
  • daily_mean_pm2_5_concentration - a numeric vector
  • units - a factor with levels ug/m3 LC
  • daily_aqi_value - a numeric vector
  • daily_obs_count - a numeric vector
  • percent_complete - a numeric vector
  • aqs_parameter_code - a numeric vector
  • aqs_parameter_desc - a factor with levels Acceptable PM2.5 AQI & Speciation Mass PM2.5 - Local Conditions
  • csa_code - a numeric vector
  • csa_name - a factor with levels Raleigh-Durham-Cary, NC
  • cbsa_code - a numeric vector
  • cbsa_name - a factor with levels Durham, NC
  • state_code - a numeric vector
  • state - a factor with levels North Carolina
  • county_code - a numeric vector
  • county - a factor with levels Durham
  • site_latitude - a numeric vector
  • site_longitude - a numeric vector

Source

US Environmental Protection Agency, AirData, 2011.http://www3.epa.gov/airdata/ad_data_daily.html

Taken from: https://www.openintro.org/data/index.php?data=pm25_2011_durham.


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Attachment Size
dataset-346558335.csv 88.75 KB
Dataset License
Unknown
Documentation License
No license (All rights reserved)