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  "fetched_at": "2026-10-19T15:22:06Z",
  "source_url": "https://www.kaggle.com/competitions/dac-iitpkdpetrichor2020/data",
  "pages": [
    {
      "name": "rules",
      "content": "The rules are\n -\n - Apply yourself!\n - Have fun!",
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      "content": "<h2>File descriptions</h2>\n<ul>\n<li><strong>train.csv</strong> - the training set</li>\n<li><strong>test.csv</strong> - the test set</li>\n<li><strong>sample_submission.csv</strong> - a sample submission file in the correct format</li>\n</ul>\n\n<h2>Data fields</h2>\n<ul>\n<li><strong>sampleid</strong> - an anonymous id unique to each row</li>\n<li><strong>timestamp</strong> - when the measurement is taken</li>\n<li><strong>sulphur dioxide</strong> - sulphur dioxide concentration in ug/m3</li>\n<li><strong>nitrogen dioxide</strong> - nitrogen dioxide concentration in ug/m3</li>\n<li><strong>carborn monooxide</strong> - carbon monooxide concentration in ug/m3</li>\n<li><strong>ozone</strong> - ozone concentration in ug/m3</li>\n<li><strong>temperature</strong> - temperature (celsius) </li>\n<li><strong>pressure</strong> - pressure in hecto pascal</li>\n<li><strong>dewpoint</strong> - dew point temperature (celsius)</li>\n<li><strong>rainfall</strong> - rainfall in mm</li>\n<li><strong>wind direction</strong> - wind direction</li>\n<li><strong>windspeed</strong> - wind speed in m/s</li>\n<li><strong>location</strong> - location of surveillance site (encoded)</li>\n<li><strong>PM</strong> - Particulate Matter Concentration (2.5) in ug/m3</li>\n</ul>",
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    {
      "name": "Description",
      "content": "<p>According to World Health Organization(WHO), Air pollution kills an estimated seven million people world wide. From smog hanging over cities to smoke inside the home air pollution poses a major threat to health and climate. In 2016, 91% of the world population was living in places where the WHO air quality guidelines levels are not met. </p>\n<p> In Delhi, capital territory of india, according to a WHO survey of 1650 world cities, is the worst of any major city in the world. In 2010, the year of the WHO survey, the average PM10 level in Delhi was 286 μg/m3. In 2013, the PM2.5 level was 153 μg/m3. These levels are considered very  unhealthy. </p>\n\n<p> In this challenge your task is to predict particulate matter concentration (PM 2.5). The dataset is collected from various locations. For data privacy, the locations will not be revealed.\n</p>\n\n<h2> Petrichor </h2>\nPetrichor, the annual technocultural fest of IIT Palakkad, is a golden opportunity to bring out the artist or techie in you and to meet exponents from various technical, cultural and social fields. For more details visit [Petrichor](https://www.petrichor-iitpkd.com/) website.",
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    {
      "name": "Evaluation",
      "content": "<h2> Evaluation Metric </h2> \n<p>The evaluation metric for this competition is Root Mean Squared Logarithmic error. The RMSLE is calculate as </p>\n<p>\\[ \\epsilon = 2\\sqrt{\\frac{1}{n}\\displaystyle\\sum_{i=1}^{n}(\\log(p_{i}+1)-\\log(a_{i}+1))^2} \\ \\ \\ \\]</p>\n\n<h2>Submission Format</h2>\n<p><strong>For every row in the test submit PM concentration. For participants convience we have also given sample submission file. </p>\n<p>The file should contain a header and have the following format:</p>\n<pre>sampleid,PM<br />LYthQFByHI,1.2<br /><span style=\"font-size: 14px; line-height: 1.4em;\">DeOEAKFLzf,2.10<br />ngkfVxOpDr,25.124<br /></span><span style=\"font-size: 14px; line-height: 1.4em;\">NeKYkKNlNc,124.01<br /></span><span style=\"font-size: 14px; line-height: 1.4em;\">etc.</span></pre>",
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    {
      "name": "Timeline",
      "content": "Jan 18, 2020 : Competition Deadline. ",
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