Data Science Project for students – leverage JavaScript and focusing on climate change

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Let’s embark on an intriguing data science project that leverages JavaScript, focusing on climate change—a subject that seamlessly intersects with 12th-grade biology. This tutorial will guide you through analyzing and visualizing global temperature data to uncover the effects of climate change. We’ll use JavaScript to fetch, process, and visualize this data in an engaging and informative way.

Tutorial Overview

  1. Setting Up Your Project on Replit
  2. Introduction to JavaScript for Data Science
  3. Fetching Climate Change Data
  4. Data Processing and Analysis
  5. Visualizing Global Temperature Trends
  6. Conclusion and Full Code

1. Setting Up Your Project on Replit

Start by creating a new project on Replit:

  • Choose “HTML, CSS, JS” as your project type.
  • Name your project descriptively, like “ClimateChangeAnalysis.”

2. Introduction to JavaScript for Data Science

JavaScript isn’t traditionally used for data science, but with the rise of libraries like D3.js for data visualization and the ability to fetch and process data in real-time, it’s becoming a versatile choice.

  • Key Libraries and Tools:
    • D3.js: For data visualization
    • Fetch API: To retrieve data from APIs

3. Fetching Climate Change Data

We’ll use the NASA Global Temperature data available through their public API. The goal is to fetch the average global temperature data for the past few decades.

  • HTML Setup (index.html):
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Climate Change Analysis</title>
</head>
<body>
    <h1>Global Temperature Trends</h1>
    <div id="chart"></div>
    <script src="script.js"></script>
</body>
</html>
  • Fetching Data (script.js):
const API_URL = 'https://example.com/nasa/global-temperature'; // Replace with actual API URL

async function fetchData() {
    const response = await fetch(API_URL);
    const data = await response.json();
    console.log(data);
}

fetchData();

4. Data Processing and Analysis

Once you have the data, the next step is to process it. We’ll calculate the average temperature increase per decade.

  • Data Processing (script.js continued):
function processTemperatureData(data) {
    // Assuming 'data' is an array of objects { year: XXXX, temperature: XX.X }
    let decadeAverage = {};
    data.forEach(item => {
        let decade = Math.floor(item.year / 10) * 10; // Get decade
        if (!decadeAverage[decade]) {
            decadeAverage[decade] = { totalTemp: 0, count: 0 };
        }
        decadeAverage[decade].totalTemp += item.temperature;
        decadeAverage[decade].count += 1;
    });

    // Calculate average for each decade
    for (let decade in decadeAverage) {
        decadeAverage[decade] = decadeAverage[decade].totalTemp / decadeAverage[decade].count;
    }

    return decadeAverage;
}

5. Visualizing Global Temperature Trends

We’ll use simple HTML elements and CSS for our visualization. In a more advanced project, you might consider using D3.js for sophisticated graphs.

  • Visualization (script.js continued):
function visualizeData(decadeAverage) {
    const chartContainer = document.getElementById('chart');
    Object.keys(decadeAverage).forEach(decade => {
        const bar = document.createElement('div');
        bar.style.height = `${decadeAverage[decade] * 5}px`; // Scale for visualization
        bar.style.width = '20px';
        bar.style.backgroundColor = 'blue';
        bar.style.margin = '2px';
        bar.title = `${decade}: ${decadeAverage[decade].toFixed(2)}°C`;
        chartContainer.appendChild(bar);
    });
}

6. Conclusion and Full Code

In this tutorial, you’ve learned how to use JavaScript for data science by analyzing climate change data. Here’s the full code for your project, combining the snippets above:

  • HTML (index.html):
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Climate Change Analysis</title>
</head>
<body>
    <h1>Global Temperature Trends</h1>
    <div id="chart"></div>
    <script src="script.js"></script>
</body>
</html>
  • JavaScript (script.js):
```javascript<br>const API_URL = 'https://example.com/nasa/global-temperature'; //

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