Calculated Ef

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Calculated EF: Effective Effort Calculator

Quantify and optimize your impact by understanding Effective Effort.

Calculate Your Effective Effort (EF)

Enter the details of your task or project to see your calculated Effective Effort.

The total time spent on the task in hours.
The discrete units of work accomplished within the duration.
A subjective rating of the quality of completed sub-tasks (1=Poor, 5=Excellent).
A rating of how challenging the task was (1=Simple, 5=Very Complex).
The efficiency in using available resources (e.g., tools, information). 0.8 means 80% efficiency.

Your Calculated Effective Effort (EF)

Sub-Tasks per Hour
Quality-Adjusted Score
Complexity Factor

Formula Used: EF = (Sub-Tasks / Duration) * (Quality Score / Complexity Level) * Resource Efficiency

This formula represents the output of completed sub-tasks adjusted by their quality, multiplied by a factor accounting for resource efficiency. It aims to measure the true value and impact of effort applied.

EF Trend Analysis

EF vs. Task Duration, with Quality and Complexity Overlay
Summary of Input Parameters and Key Metrics
Metric Value Description
Task DurationTotal time invested in hours.
Sub-Tasks CompletedDiscrete work units achieved.
Quality ScoreAssessment of output quality (1-5).
Complexity LevelDifficulty rating of the task (1-5).
Resource EfficiencyEffectiveness in resource utilization (0-1).
Sub-Tasks per HourRate of sub-task completion.
Quality-Adjusted ScoreQuality score normalized by complexity.
Effective Effort (EF)The primary calculated metric.

What is Calculated EF?

Calculated EF, or Effective Effort, is a metric designed to quantify the true value and impact of the effort expended on a task or project. Unlike simple time tracking, EF attempts to provide a more nuanced understanding by factoring in not just the time spent and tasks completed, but also the quality of the output, the inherent difficulty of the work, and the efficiency with which resources were utilized. In essence, it's an effort to measure "how much good work" was done, rather than just "how much work was done."

This metric is particularly valuable in fields where output quality, task complexity, and resource management are critical. It can help individuals and teams identify areas for improvement, benchmark performance, and make more informed decisions about resource allocation and future planning. Understanding your Calculated EF can lead to more efficient workflows and a greater appreciation for the factors that contribute to successful outcomes.

Who Should Use It?

Calculated EF is useful for a wide range of individuals and teams:

  • Project Managers: To assess team productivity, identify bottlenecks, and forecast project completion more accurately.
  • Freelancers and Consultants: To demonstrate value to clients and understand their own optimal working conditions and efficiency levels.
  • Students and Researchers: To measure the productivity and effectiveness of study or research efforts, especially when dealing with complex topics.
  • Software Developers: To gauge the efficiency of coding tasks, balancing speed with code quality and complexity.
  • Creative Professionals: To understand the effort involved in producing high-quality creative work within given constraints.
  • Anyone Focused on Self-Improvement: To gain insights into personal productivity and identify strategies for maximizing impact.

Common Misconceptions about Calculated EF

Several common misunderstandings can arise when interpreting Calculated EF:

  • EF is not just about speed: A high EF doesn't necessarily mean completing tasks quickly. It's a balance of speed, quality, complexity, and resourcefulness. Rushing a task can lower quality, thus reducing EF.
  • EF is not a perfect measure of "value" or "impact": While EF is a proxy for effective effort, it doesn't capture all aspects of value, such as strategic importance, long-term impact, or market demand.
  • EF is not static: Your EF can vary significantly based on the task, your own state (energy, focus), and the resources available. It's a dynamic metric.
  • Subjectivity in inputs: While attempts are made to quantify inputs like 'Quality Score' and 'Complexity Level', these can still have subjective elements. Consistency in application is key.

By clarifying these points, users can better leverage the Calculated EF calculator for meaningful insights.

Calculated EF Formula and Mathematical Explanation

The formula for Calculated Effective Effort (EF) is designed to integrate several key productivity and performance factors into a single, interpretable metric. The standard formula is:

EF = (Number of Sub-Tasks Completed / Task Duration) * (Quality Score / Complexity Level) * Resource Efficiency

Step-by-Step Derivation and Variable Explanations

  1. Base Productivity Rate: The first part of the formula, (Number of Sub-Tasks Completed / Task Duration), calculates the raw rate at which sub-tasks are being completed. This gives a basic measure of output per unit of time. A higher number of sub-tasks completed in less time results in a higher base rate.
  2. Quality and Complexity Adjustment: The second part, (Quality Score / Complexity Level), acts as a crucial modifier. It adjusts the base productivity rate based on the quality achieved relative to the task's difficulty.
    • A higher Quality Score increases this factor, indicating that the completed sub-tasks were of good quality.
    • A higher Complexity Level decreases this factor, acknowledging that more effort and skill are required to achieve the same outcome on a complex task. Dividing by complexity effectively normalizes the output against the difficulty.
    This ensures that completing 5 simple, low-quality tasks is not valued the same as completing 5 complex, high-quality tasks.
  3. Resource Efficiency Factor: Finally, the result is multiplied by Resource Efficiency. This factor (typically between 0 and 1) accounts for how effectively resources (like tools, knowledge, and support) were used during the task. High efficiency amplifies the EF, while low efficiency diminishes it, reflecting the impact of resource management on the overall outcome.

Variable Table

Variables Used in EF Calculation
Variable Meaning Unit Typical Range
Task Duration Total time invested in the task. Hours > 0
Number of Sub-Tasks Completed Discrete units of work accomplished. Count ≥ 0
Quality Score Subjective rating of output quality. Scale (1-5) 1 to 5
Complexity Level Rating of task difficulty. Scale (1-5) 1 to 5
Resource Efficiency Effectiveness of resource utilization. Ratio (0-1) 0 to 1
EF Effective Effort Unitless / Score Variable (depends on inputs)

Practical Examples (Real-World Use Cases)

Example 1: Software Development Sprint

A development team works on a feature for a web application.

  • Task Duration: 40 hours (team effort over a week)
  • Number of Sub-Tasks Completed: 20 (e.g., implementing UI components, writing API endpoints, unit tests)
  • Quality Score: 4 (Good, with minor feedback)
  • Complexity Level: 4 (Moderately complex integration)
  • Resource Efficiency: 0.85 (Good use of documentation and internal tools)

Calculation:
Base Productivity = 20 sub-tasks / 40 hours = 0.5 sub-tasks/hour
Quality/Complexity Factor = 4 / 4 = 1
EF = 0.5 * 1 * 0.85 = 0.425

Interpretation: The team achieved a moderate EF. While their raw output rate was decent, the complexity of the task and the quality achieved balanced out. The resource efficiency was good, contributing positively. This suggests they could explore ways to either increase output rate on similar complexity tasks or focus on achieving higher quality if complexity remains high.

Example 2: Content Creation Project

A writer is tasked with creating a detailed blog post.

  • Task Duration: 8 hours
  • Number of Sub-Tasks Completed: 3 (e.g., research, drafting, editing/formatting)
  • Quality Score: 5 (Excellent, thoroughly researched and well-written)
  • Complexity Level: 3 (Standard blog post complexity)
  • Resource Efficiency: 0.95 (Efficient use of research tools and style guides)

Calculation:
Base Productivity = 3 sub-tasks / 8 hours = 0.375 sub-tasks/hour
Quality/Complexity Factor = 5 / 3 = 1.67
EF = 0.375 * 1.67 * 0.95 = 0.595 (approximately)

Interpretation: This reflects a higher EF. Although the raw number of discrete "sub-tasks" might seem low compared to the time, the exceptional quality and high resource efficiency, balanced against moderate complexity, result in a strong score. This indicates the effort was highly effective in producing a valuable piece of content. This might prompt the writer to maintain their process, perhaps exploring ways to break down the research/drafting phases further if they seek to increase the sub-task count.

How to Use This Calculated EF Calculator

Our Calculated EF calculator is designed for ease of use, providing quick insights into your productivity and effectiveness. Follow these simple steps:

  1. Input Task Details: In the calculator section, accurately enter the required information for the task or project you want to analyze:
    • Task Duration: How many hours did the task take?
    • Number of Sub-Tasks Completed: Estimate the discrete units of work you finished.
    • Quality Score: Rate the quality of your output on a scale of 1 (Poor) to 5 (Excellent).
    • Complexity Level: Rate the difficulty of the task on a scale of 1 (Simple) to 5 (Very Complex).
    • Resource Efficiency: Estimate how effectively you used available resources, as a decimal between 0 and 1 (e.g., 0.8 for 80%).
  2. Initiate Calculation: Click the "Calculate EF" button. The calculator will instantly process your inputs.
  3. Review Results:
    • Primary Result (EF): The main, prominently displayed number is your calculated Effective Effort score. A higher score generally indicates greater effectiveness.
    • Intermediate Values: You'll see key figures like "Sub-Tasks per Hour," "Quality-Adjusted Score," and "Complexity Factor," which help explain how the final EF was derived.
    • Formula Explanation: A brief explanation of the formula used is provided for clarity.
    • Table Summary: A detailed table breaks down your inputs and calculated metrics for easy reference.
    • Chart: The dynamic chart visualizes how EF might trend with duration, considering other factors.
  4. Interpret and Decide: Use the results to understand your performance.
    • High EF: Indicates you are performing effectively. Analyze what contributed to this success (e.g., high quality, good resource management) and aim to replicate it.
    • Low EF: Suggests areas for improvement. Consider if task duration was too long for the output, if quality suffered, if complexity was underestimated, or if resources were used inefficiently.
  5. Utilize Buttons:
    • Reset: Use this to clear all fields and enter new data.
    • Copy Results: Click this to copy the main EF score, intermediate values, and key assumptions for use elsewhere (e.g., reports, notes).

The goal is not just to get a number, but to use the EF metric to drive better decision-making and continuous improvement in your work.

Key Factors That Affect Calculated EF Results

Several factors can significantly influence your Calculated EF score. Understanding these can help you interpret results more accurately and take action to improve performance.

  • Task Duration: Longer task durations, without a proportional increase in completed sub-tasks or quality, will naturally lower the 'Sub-Tasks per Hour' component, thus reducing EF. Efficiency in time management is crucial.
  • Number of Sub-Tasks: A higher number of well-defined sub-tasks completed within a reasonable timeframe contributes positively to EF. Breaking down large tasks can sometimes increase this count and improve perceived productivity.
  • Quality of Output: This is heavily weighted. A high quality score directly boosts EF, while a low score penalizes it. Sacrificing quality for speed is often detrimental to EF. This factor highlights the importance of delivering valuable, error-free work.
  • Task Complexity: While high complexity is acknowledged by the formula (dividing by complexity), very high complexity can still be a drag on EF if the quality achieved does not adequately compensate or if the task duration balloons. It emphasizes the need for appropriate skill sets and planning for complex tasks.
  • Resource Efficiency: Inefficient use of tools, information, or support systems directly lowers EF. Optimizing workflows, utilizing available technology, and seeking necessary help can significantly boost this factor and, consequently, your overall EF. This relates to smart work, not just hard work.
  • Personal State (Energy, Focus): Although not direct inputs, your energy levels, focus, and motivation significantly impact how quickly you complete sub-tasks, the quality you achieve, and your resource efficiency. Periods of low focus can drastically reduce EF.
  • External Factors: Interruptions, changing requirements, or lack of necessary information can inflate task duration and potentially reduce quality, thereby lowering EF. Effective mitigation strategies for these external disruptions are key.

Frequently Asked Questions (FAQ)

What is the ideal EF score?

There isn't a single "ideal" EF score, as it's highly dependent on the context of the task, industry, and individual goals. Instead of focusing on a target number, use EF as a comparative tool. Aim to increase your EF over time for similar tasks, or compare your EF across different projects to identify high-performing processes.

Can EF be negative?

Based on the current formula, EF cannot be negative, as all input variables are typically positive or zero (except complexity which is min 1). However, extremely low values (close to zero) can indicate very little effective work being done relative to the effort and resources invested.

How do I accurately measure "Sub-Tasks Completed"?

This requires a degree of definition. Sub-tasks should be distinct, actionable units of work. For developers, it might be a user story or a bug fix. For writers, it could be research, drafting a section, or editing. The key is consistency in how you define and count them for your specific work.

Is EF the same as Productivity?

EF is a metric that *attempts* to measure effective productivity by incorporating multiple dimensions beyond just output volume. Standard productivity might just be output per hour. EF provides a more refined view by including quality, complexity, and resource efficiency.

How often should I calculate my EF?

It depends on your workflow. For short, distinct tasks, calculate it after each task. For longer projects or sprints, you might calculate it weekly or at key milestones to track progress and identify issues early.

What if a task has no clear sub-tasks?

For highly abstract or creative tasks, defining sub-tasks can be challenging. You might need to adapt the metric. Consider breaking down the process into stages (e.g., Ideation, Development, Refinement) and assigning a 'weight' or 'value' to each stage completed, rather than a simple count.

How does EF account for learning curves?

The learning curve is implicitly accounted for through the 'Task Duration' and 'Complexity Level' inputs. If learning slows you down (increases duration) or if the task is inherently complex due to new knowledge, the EF will reflect this. Over time, as learning progresses, your EF for similar tasks should increase.

Can EF be used for team performance evaluation?

Yes, EF can be a valuable tool for team performance evaluation, but with caution. Ensure that the inputs (especially subjective ones like quality and complexity) are agreed upon and applied consistently across team members. Focus on trends and team-level improvements rather than strict individual comparisons, especially initially.

var canvas = document.getElementById('efChart'); var ctx = canvas.getContext('2d'); var chart; function validateInput(id, errorId, min = null, max = null) { var input = document.getElementById(id); var errorElement = document.getElementById(errorId); var value = parseFloat(input.value); errorElement.textContent = "; // Clear previous error if (isNaN(value)) { errorElement.textContent = 'Please enter a valid number.'; return false; } if (min !== null && value max) { errorElement.textContent = 'Value cannot be greater than ' + max + '.'; return false; } if (id === 'taskDuration' && value <= 0) { errorElement.textContent = 'Task duration must be positive.'; return false; } if (id === 'tasksCompleted' && value < 0) { errorElement.textContent = 'Tasks completed cannot be negative.'; return false; } if (id === 'resourceEfficiency' && (value 1)) { errorElement.textContent = 'Resource efficiency must be between 0 and 1.'; return false; } return true; } function calculateEF() { var isValid = true; isValid &= validateInput('taskDuration', 'taskDurationError', 0.01); isValid &= validateInput('tasksCompleted', 'tasksCompletedError', 0); isValid &= validateInput('qualityScore', 'qualityScoreError', 1, 5); isValid &= validateInput('complexityLevel', 'complexityLevelError', 1, 5); isValid &= validateInput('resourceEfficiency', 'resourceEfficiencyError', 0, 1); if (!isValid) { document.getElementById('effectiveEffortResult').textContent = '–'; clearIntermediateResults(); updateTable(); updateChart(); // Update chart even on invalid input to clear it or show defaults return; } var taskDuration = parseFloat(document.getElementById('taskDuration').value); var tasksCompleted = parseFloat(document.getElementById('tasksCompleted').value); var qualityScore = parseFloat(document.getElementById('qualityScore').value); var complexityLevel = parseFloat(document.getElementById('complexityLevel').value); var resourceEfficiency = parseFloat(document.getElementById('resourceEfficiency').value); // Intermediate Calculations var tasksPerHour = tasksCompleted / taskDuration; var qualityAdjustedScore = qualityScore / complexityLevel; var ef = tasksPerHour * qualityAdjustedScore * resourceEfficiency; // Format results var formattedEF = ef.toFixed(3); var formattedTasksPerHour = tasksPerHour.toFixed(2); var formattedQAScore = qualityAdjustedScore.toFixed(2); // Display Results document.getElementById('effectiveEffortResult').textContent = formattedEF; var intermediateValues = document.getElementById('results').getElementsByClassName('intermediate-values')[0].getElementsByTagName('span'); intermediateValues[0].textContent = formattedTasksPerHour; intermediateValues[1].textContent = formattedQAScore; // Complexity factor is more illustrative; can be calculated from inputs directly var complexityFactor = 1 / complexityLevel; // Showing the inverse relationship intermediateValues[2].textContent = complexityFactor.toFixed(2); // Update table updateTable( taskDuration, tasksCompleted, qualityScore, complexityLevel, resourceEfficiency, formattedTasksPerHour, formattedQAScore, formattedEF ); // Update chart updateChart(taskDuration, ef); } function updateTable(duration, tasks, quality, complexity, efficiency, tasksPerHour, qaScore, ef) { document.getElementById('tableDuration').textContent = duration !== undefined ? duration.toFixed(1) : '–'; document.getElementById('tableTasks').textContent = tasks !== undefined ? tasks.toFixed(0) : '–'; document.getElementById('tableQuality').textContent = quality !== undefined ? quality.toFixed(1) : '–'; document.getElementById('tableComplexity').textContent = complexity !== undefined ? complexity.toFixed(1) : '–'; document.getElementById('tableEfficiency').textContent = efficiency !== undefined ? efficiency.toFixed(2) : '–'; document.getElementById('tableTasksPerHour').textContent = tasksPerHour !== undefined ? tasksPerHour : '–'; document.getElementById('tableQAScore').textContent = qaScore !== undefined ? qaScore : '–'; document.getElementById('tableEF').textContent = ef !== undefined ? ef : '–'; } function clearIntermediateResults() { var intermediateValues = document.getElementById('results').getElementsByClassName('intermediate-values')[0].getElementsByTagName('span'); intermediateValues[0].textContent = '–'; intermediateValues[1].textContent = '–'; intermediateValues[2].textContent = '–'; } function resetCalculator() { document.getElementById('taskDuration').value = 10; document.getElementById('tasksCompleted').value = 5; document.getElementById('qualityScore').value = 4; document.getElementById('complexityLevel').value = 3; document.getElementById('resourceEfficiency').value = 0.8; document.getElementById('taskDurationError').textContent = "; document.getElementById('tasksCompletedError').textContent = "; document.getElementById('qualityScoreError').textContent = "; document.getElementById('complexityLevelError').textContent = "; document.getElementById('resourceEfficiencyError').textContent = "; document.getElementById('effectiveEffortResult').textContent = '–'; clearIntermediateResults(); updateTable(); // Clear table if (chart) { chart.destroy(); // Destroy existing chart } initializeChart(); // Re-initialize empty chart } function copyResults() { var mainResult = document.getElementById('effectiveEffortResult').textContent; var intermediateResults = document.getElementById('results').getElementsByClassName('intermediate-values')[0].children; var assumptions = []; var inputs = [ { id: 'taskDuration', label: 'Task Duration (Hours)' }, { id: 'tasksCompleted', label: 'Sub-Tasks Completed' }, { id: 'qualityScore', label: 'Quality Score (1-5)' }, { id: 'complexityLevel', label: 'Complexity Level (1-5)' }, { id: 'resourceEfficiency', label: 'Resource Efficiency (0-1)' } ]; inputs.forEach(function(input) { var value = document.getElementById(input.id).value; assumptions.push(input.label + ': ' + value); }); var intermediateTexts = []; intermediateResults[0] ? intermediateTexts.push("Sub-Tasks per Hour: " + intermediateResults[0].textContent) : null; intermediateResults[1] ? intermediateTexts.push("Quality-Adjusted Score: " + intermediateResults[1].textContent) : null; intermediateResults[2] ? intermediateTexts.push("Complexity Factor: " + intermediateResults[2].textContent) : null; var textToCopy = "Calculated EF: " + mainResult + "\n\n" + intermediateTexts.join('\n') + "\n\n" + "Key Assumptions:\n" + assumptions.join('\n'); navigator.clipboard.writeText(textToCopy).then(function() { // Optional: Show a temporary success message var originalText = document.querySelector('.btn-success').textContent; document.querySelector('.btn-success').textContent = 'Copied!'; setTimeout(function() { document.querySelector('.btn-success').textContent = originalText; }, 1500); }).catch(function(err) { console.error('Failed to copy text: ', err); // Optional: Show an error message }); } function initializeChart() { // Clear previous chart if it exists if (chart) { chart.destroy(); } // Define data points for chart (example: EF at different durations) var durations = [2, 4, 6, 8, 10, 12, 14, 16, 18, 20]; // Example durations var efs = []; var baseInputs = { tasksCompleted: parseFloat(document.getElementById('tasksCompleted').value), qualityScore: parseFloat(document.getElementById('qualityScore').value), complexityLevel: parseFloat(document.getElementById('complexityLevel').value), resourceEfficiency: parseFloat(document.getElementById('resourceEfficiency').value) }; durations.forEach(function(duration) { var tasksPerHour = baseInputs.tasksCompleted / duration; var qualityAdjustedScore = baseInputs.qualityScore / baseInputs.complexityLevel; var ef = tasksPerHour * qualityAdjustedScore * baseInputs.resourceEfficiency; efs.push(ef); }); // Also add current input values to the chart data if they are valid var currentDuration = parseFloat(document.getElementById('taskDuration').value); var currentEF = parseFloat(document.getElementById('effectiveEffortResult').textContent); // Find insertion point to keep sorted var insertIndex = durations.findIndex(d => d > currentDuration); if (insertIndex === -1) { // If current duration is largest or not found insertIndex = durations.length; } if (!durations.includes(currentDuration) && !isNaN(currentEF) && currentDuration > 0) { durations.splice(insertIndex, 0, currentDuration); efs.splice(insertIndex, 0, currentEF); } chart = new Chart(ctx, { type: 'line', data: { labels: durations.map(d => d.toString() + 'h'), // Label durations as hours datasets: [{ label: 'Effective Effort (EF)', data: efs, borderColor: 'var(–primary-color)', backgroundColor: 'rgba(0, 74, 153, 0.2)', fill: true, tension: 0.1 }] }, options: { responsive: true, maintainAspectRatio: false, scales: { x: { title: { display: true, text: 'Task Duration (Hours)' } }, y: { title: { display: true, text: 'Effective Effort Score' }, beginAtZero: true } }, plugins: { tooltip: { callbacks: { label: function(context) { var label = context.dataset.label || "; if (label) { label += ': '; } if (context.parsed.y !== null) { label += context.parsed.y.toFixed(3); } return label; } } } } } }); } function updateChart(currentDuration, currentEF) { // Re-calculate chart data based on current inputs var durations = [2, 4, 6, 8, 10, 12, 14, 16, 18, 20]; // Base durations for trend line var efs = []; var baseInputs = { tasksCompleted: parseFloat(document.getElementById('tasksCompleted').value), qualityScore: parseFloat(document.getElementById('qualityScore').value), complexityLevel: parseFloat(document.getElementById('complexityLevel').value), resourceEfficiency: parseFloat(document.getElementById('resourceEfficiency').value) }; // Validate base inputs for chart generation if (isNaN(baseInputs.tasksCompleted) || isNaN(baseInputs.qualityScore) || isNaN(baseInputs.complexityLevel) || isNaN(baseInputs.resourceEfficiency) || baseInputs.complexityLevel === 0) { console.warn("Base inputs invalid for chart generation."); // Optionally clear chart or show default state return; } durations.forEach(function(duration) { var tasksPerHour = baseInputs.tasksCompleted / duration; var qualityAdjustedScore = baseInputs.qualityScore / baseInputs.complexityLevel; var ef = tasksPerHour * qualityAdjustedScore * baseInputs.resourceEfficiency; efs.push(ef); }); // Add current input values to the chart data if they are valid var currentInputDuration = parseFloat(document.getElementById('taskDuration').value); var currentInputEF = parseFloat(document.getElementById('effectiveEffortResult').textContent); if (!isNaN(currentInputDuration) && currentInputDuration > 0 && !isNaN(currentInputEF) && currentEF !== '–') { var insertIndex = durations.findIndex(d => d > currentInputDuration); if (insertIndex === -1) { insertIndex = durations.length; } // Avoid duplicate entries if current duration is already in the base set if (!durations.slice(0, durations.length-1).includes(currentInputDuration)) { // Check all except last if it's the current duration durations.splice(insertIndex, 0, currentInputDuration); efs.splice(insertIndex, 0, currentInputEF); } else { // If current duration matches one in the list, update that point's EF var existingIndex = durations.indexOf(currentInputDuration); efs[existingIndex] = currentInputEF; } } if (chart) { chart.data.labels = durations.map(d => d.toString() + 'h'); chart.data.datasets[0].data = efs; chart.update(); } else { initializeChart(); // If chart wasn't initialized (e.g., on load error), initialize it now } } function toggleFaq(element) { element.classList.toggle('active'); var answer = element.nextElementSibling; // answer.style.maxHeight = answer.scrollHeight + "px"; // This works but can be jerky // handled by CSS transition now } // Initial calculation and chart rendering on page load document.addEventListener('DOMContentLoaded', function() { calculateEF(); // Perform initial calculation initializeChart(); // Initialize the chart with default/initial values });

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