|
<!DOCTYPE html> |
|
<html lang="en"> |
|
<head> |
|
<meta charset="UTF-8"> |
|
<meta name="viewport" content="width=device-width, initial-scale=1.0"> |
|
<title>Comprehensive Exam Data Analysis with Pandas - 30 Industry Goals with Connections</title> |
|
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/7.8.5/d3.min.js"></script> |
|
<style> |
|
body { font-family: Arial, sans-serif; margin: 20px; } |
|
#goalSpace { border: 1px solid #ccc; } |
|
.goal { cursor: pointer; } |
|
#info { margin-top: 20px; font-weight: bold; } |
|
#selectedGoal { margin-top: 10px; padding: 10px; border: 1px solid #ccc; background-color: #f0f0f0; } |
|
#hoverInfo { |
|
position: absolute; |
|
padding: 10px; |
|
background-color: rgba(255, 255, 255, 0.9); |
|
border: 1px solid #ccc; |
|
border-radius: 5px; |
|
font-size: 14px; |
|
max-width: 300px; |
|
display: none; |
|
} |
|
</style> |
|
</head> |
|
<body> |
|
<h1>Comprehensive Exam Data Analysis with Pandas - 30 Industry Goals with Connections</h1> |
|
<div id="goalSpace"></div> |
|
<div id="info"></div> |
|
<div id="selectedGoal"></div> |
|
<div id="hoverInfo"></div> |
|
|
|
<script> |
|
const width = 1200; |
|
const height = 800; |
|
const goals = [ |
|
{ id: 1, x: 100, y: 400, name: "Automate Data Import", description: "Develop scripts to automate exam data extraction from various sources (CSV, Excel, databases) using Pandas read_* functions." }, |
|
{ id: 2, x: 200, y: 300, name: "Data Cleaning", description: "Implement robust data cleaning processes to handle missing values, outliers, and inconsistencies in exam data using Pandas methods like dropna(), fillna(), and apply()." }, |
|
{ id: 3, x: 300, y: 200, name: "Data Transformation", description: "Utilize Pandas for complex data transformations such as pivoting exam results, melting question-wise scores, and creating derived features for analysis." }, |
|
{ id: 4, x: 400, y: 300, name: "Statistical Analysis", description: "Develop functions to automate statistical analysis of exam results, including descriptive statistics, hypothesis testing, and correlation analysis using Pandas and SciPy." }, |
|
{ id: 5, x: 500, y: 400, name: "Performance Metrics", description: "Create custom functions to calculate industry-standard exam performance metrics like item difficulty, discrimination index, and reliability coefficients using Pandas operations." }, |
|
{ id: 6, x: 200, y: 500, name: "Data Filtering", description: "Implement advanced filtering techniques to segment exam data based on various criteria (e.g., demographic info, score ranges) using boolean indexing and query() method in Pandas." }, |
|
{ id: 7, x: 300, y: 600, name: "Reporting Automation", description: "Develop automated reporting systems that use Pandas groupby() and agg() functions to generate summary statistics and performance reports for different exam cohorts." }, |
|
{ id: 8, x: 400, y: 500, name: "Data Visualization", description: "Create interactive dashboards for exam data visualization using Pandas with Plotly or Bokeh, allowing stakeholders to explore results dynamically." }, |
|
{ id: 9, x: 500, y: 600, name: "Time Series Analysis", description: "Implement time series analysis techniques using Pandas datetime functionality to track and forecast exam performance trends over multiple test administrations." }, |
|
{ id: 10, x: 300, y: 400, name: "Data Integration", description: "Develop processes to merge exam data with other relevant datasets (e.g., student information systems, learning management systems) using Pandas merge() and join() operations." }, |
|
{ id: 11, x: 600, y: 300, name: "Performance Optimization", description: "Improve the efficiency of Pandas operations on large exam datasets by utilizing techniques like chunking, multiprocessing, and query optimization." }, |
|
{ id: 12, x: 700, y: 400, name: "Machine Learning Integration", description: "Integrate machine learning models with Pandas for predictive analytics, such as predicting exam success or identifying at-risk students based on historical data." }, |
|
{ id: 13, x: 800, y: 500, name: "Custom Indexing", description: "Implement custom indexing strategies in Pandas to efficiently handle hierarchical exam data structures and improve data access patterns." }, |
|
{ id: 14, x: 900, y: 400, name: "Data Anonymization", description: "Develop Pandas-based workflows to anonymize sensitive exam data, ensuring compliance with privacy regulations while maintaining data utility for analysis." }, |
|
{ id: 15, x: 1000, y: 300, name: "Exam Item Analysis", description: "Create specialized functions using Pandas to perform detailed item analysis, including distractor analysis and reliability calculations for individual exam questions." }, |
|
{ id: 16, x: 600, y: 500, name: "Longitudinal Analysis", description: "Implement Pandas-based methods for tracking student performance across multiple exams over time, identifying learning trends and progress patterns." }, |
|
{ id: 17, x: 700, y: 600, name: "Adaptive Testing Analysis", description: "Develop analysis pipelines using Pandas to evaluate and optimize adaptive testing algorithms, including item selection strategies and scoring methods." }, |
|
{ id: 18, x: 800, y: 700, name: "Exam Equating", description: "Create Pandas workflows to perform exam equating, ensuring comparability of scores across different versions or administrations of an exam." }, |
|
{ id: 19, x: 900, y: 600, name: "Response Time Analysis", description: "Utilize Pandas to analyze exam response times, identifying patterns that may indicate guessing, test-taking strategies, or item difficulty." }, |
|
{ id: 20, x: 1000, y: 500, name: "Collaborative Filtering", description: "Implement collaborative filtering techniques using Pandas to recommend study materials or practice questions based on exam performance patterns." }, |
|
{ id: 21, x: 400, y: 700, name: "Exam Fraud Detection", description: "Develop anomaly detection algorithms using Pandas to identify potential exam fraud or unusual response patterns in large-scale testing programs." }, |
|
{ id: 22, x: 500, y: 800, name: "Standard Setting", description: "Create Pandas-based tools to assist in standard setting processes, analyzing expert judgments and examinee data to establish performance standards." }, |
|
{ id: 23, x: 600, y: 700, name: "Automated Reporting", description: "Implement automated report generation using Pandas and libraries like Jinja2 to create customized, data-driven exam reports for various stakeholders." }, |
|
{ id: 24, x: 700, y: 800, name: "Cross-validation", description: "Develop cross-validation frameworks using Pandas to assess the reliability and generalizability of predictive models in educational assessment contexts." }, |
|
{ id: 25, x: 800, y: 300, name: "API Integration", description: "Create Pandas-based interfaces to integrate exam data analysis workflows with external APIs, facilitating real-time data exchange and reporting." }, |
|
{ id: 26, x: 900, y: 200, name: "Natural Language Processing", description: "Implement NLP techniques using Pandas and libraries like NLTK to analyze free-text responses in exams, enabling automated scoring and content analysis." }, |
|
{ id: 27, x: 1000, y: 100, name: "Exam Blueprint Analysis", description: "Develop Pandas workflows to analyze exam blueprints, ensuring content coverage and alignment with learning objectives across multiple test forms." }, |
|
{ id: 28, x: 100, y: 600, name: "Differential Item Functioning", description: "Implement statistical methods using Pandas to detect and analyze differential item functioning (DIF) in exams, ensuring fairness across different demographic groups." }, |
|
{ id: 29, x: 200, y: 700, name: "Automated Feedback Generation", description: "Create Pandas-based systems to generate personalized feedback for test-takers based on their exam performance and identified areas for improvement." }, |
|
{ id: 30, x: 300, y: 800, name: "Exam Security Analysis", description: "Develop analytical tools using Pandas to assess and enhance exam security, including analysis of item exposure rates and detection of potential security breaches." } |
|
]; |
|
|
|
const connections = [ |
|
{ source: 1, target: 2 }, |
|
{ source: 2, target: 3 }, |
|
{ source: 3, target: 4 }, |
|
{ source: 4, target: 5 }, |
|
{ source: 5, target: 7 }, |
|
{ source: 6, target: 7 }, |
|
{ source: 7, target: 8 }, |
|
{ source: 8, target: 9 }, |
|
{ source: 9, target: 16 }, |
|
{ source: 10, target: 13 }, |
|
{ source: 11, target: 12 }, |
|
{ source: 12, target: 20 }, |
|
{ source: 13, target: 16 }, |
|
{ source: 14, target: 21 }, |
|
{ source: 15, target: 17 }, |
|
{ source: 16, target: 18 }, |
|
{ source: 17, target: 19 }, |
|
{ source: 18, target: 22 }, |
|
{ source: 19, target: 21 }, |
|
{ source: 20, target: 29 }, |
|
{ source: 21, target: 30 }, |
|
{ source: 22, target: 23 }, |
|
{ source: 23, target: 25 }, |
|
{ source: 24, target: 12 }, |
|
{ source: 25, target: 23 }, |
|
{ source: 26, target: 15 }, |
|
{ source: 27, target: 15 }, |
|
{ source: 28, target: 22 }, |
|
{ source: 29, target: 23 }, |
|
{ source: 30, target: 21 }, |
|
|
|
{ source: 1, target: 10 }, |
|
{ source: 2, target: 6 }, |
|
{ source: 3, target: 13 }, |
|
{ source: 4, target: 15 }, |
|
{ source: 5, target: 28 }, |
|
{ source: 8, target: 23 }, |
|
{ source: 11, target: 25 }, |
|
{ source: 14, target: 30 }, |
|
{ source: 24, target: 17 }, |
|
{ source: 26, target: 29 } |
|
]; |
|
|
|
const svg = d3.select("#goalSpace") |
|
.append("svg") |
|
.attr("width", width) |
|
.attr("height", height); |
|
|
|
const links = svg.selectAll("line") |
|
.data(connections) |
|
.enter() |
|
.append("line") |
|
.attr("x1", d => goals.find(g => g.id === d.source).x) |
|
.attr("y1", d => goals.find(g => g.id === d.source).y) |
|
.attr("x2", d => goals.find(g => g.id === d.target).x) |
|
.attr("y2", d => goals.find(g => g.id === d.target).y) |
|
.attr("stroke", "#999") |
|
.attr("stroke-width", 1) |
|
.attr("stroke-opacity", 0.6); |
|
|
|
const goalNodes = svg.selectAll("circle") |
|
.data(goals) |
|
.enter() |
|
.append("circle") |
|
.attr("cx", d => d.x) |
|
.attr("cy", d => d.y) |
|
.attr("r", 10) |
|
.attr("fill", d => { |
|
if (d.id <= 10) return "blue"; |
|
if (d.id <= 20) return "green"; |
|
return "orange"; |
|
}) |
|
.attr("class", "goal"); |
|
|
|
const goalLabels = svg.selectAll("text") |
|
.data(goals) |
|
.enter() |
|
.append("text") |
|
.attr("x", d => d.x + 15) |
|
.attr("y", d => d.y) |
|
.text(d => d.name) |
|
.attr("font-size", "12px"); |
|
|
|
const hoverInfo = d3.select("#hoverInfo"); |
|
|
|
goalNodes.on("mouseover", function(event, d) { |
|
d3.select(this).attr("r", 15); |
|
hoverInfo.style("display", "block") |
|
.style("left", (event.pageX + 10) + "px") |
|
.style("top", (event.pageY - 10) + "px") |
|
.html(`<strong>${d.name}</strong><br>${d.description}`); |
|
}).on("mouseout", function() { |
|
d3.select(this).attr("r", 10); |
|
hoverInfo.style("display", "none"); |
|
}); |
|
|
|
goalNodes.on("click", function(event, d) { |
|
updateSelectedGoalInfo(d); |
|
}); |
|
|
|
function updateSelectedGoalInfo(goal) { |
|
const selectedGoalDiv = d3.select("#selectedGoal"); |
|
selectedGoalDiv.html(` |
|
<h3>${goal.name}</h3> |
|
<p>${goal.description}</p> |
|
`); |
|
} |
|
|
|
svg.on("mousemove", function(event) { |
|
const [x, y] = d3.pointer(event); |
|
const closest = findClosestGoal(x, y); |
|
highlightClosestGoal(closest); |
|
}); |
|
|
|
function findClosestGoal(x, y) { |
|
return goals.reduce((closest, goal) => { |
|
const distance = Math.sqrt(Math.pow(goal.x - x, 2) + Math.pow(goal.y - y, 2)); |
|
return distance < closest.distance ? { goal, distance } : closest; |
|
}, { goal: null, distance: Infinity }).goal; |
|
} |
|
|
|
function highlightClosestGoal(goal) { |
|
d3.select("#info").html(`Closest goal: ${goal.name}`); |
|
} |
|
</script> |
|
</body> |
|
</html> |
|
|