I Changed The Way I Estimate Projects. Here's The Method I Invented (2024)

I Changed The Way I Estimate Projects. Here's The Method I Invented (1)

Ever felt like you're estimating projects blindfolded?

Overshooting budgets and timelines is a headache, right?

What if there's a way to refine your estimates and boost stakeholder trust?

In this article, we're diving deep into the nitty-gritty: the methods, the whys, the learning curves, and most importantly, the high-flying outcomes. Trust me, by the end of this read, you'll be looking at project estimation through a whole new lens.

Remember Agile's T-shirt sizing?

Ah, the classic S, M, L, XL task categorization. It's like trying to build a complex data pipeline but settling for a pre-packaged ETL solution.

Convenient?

Absolutely.

Accurate?

Not so much. It's more of a guesstimation game than a precise science.

This sizing technique is effective — if you've done similar projects. But it falls short when you're navigating uncharted waters. In other words, if you're venturing into new territories, T-shirt sizing could be as misleading as a pirate's treasure map. This is especially true in the analytics field.

Think about it:

Is your new cloud migration project really an XL, or is it an XXL riddled with complexities you have yet to think of?

The crux of the matter is this:

Traditional methods like T-shirt sizing work primarily on comparative analysis. They're serviceable if you've got a history of identical projects under your belt.

But what about the new, uncharted waters?

These methods falter because they don't account for the ambiguity that new challenges bring. It's like planning a space expedition based on your experience hiking; similar in adventure, galaxies apart in complexity.

My Method

Alright, folks, buckle up. We're about to steer away from the conventional and cruise into a methodology as precise as it is revolutionary. I call it the"Granular T-shirt Scoring System" (GTSS).

Break It Down

Forget those week-long monoliths. I split projects into bite-sized tasks, each taking up to two days to complete. Imagine you're chopping up a complex recipe into individual ingredients, each easier to manage and measure.

I still give a nod to Agile's T-shirt sizes, but with a twist. Each size doesn't just signify a range; it correlates to a specific duration of time.

  • S - 1 Hour

  • M - 3 Hours

  • L - 1 Day

  • XL - 2 Days

Logging every hour-long task isn't practical. I only log short tasks if their vagueness could stretch them into half or full-day endeavours.

Ambiguity Factor

Here's where we go full-on CSI. Every task gets scrutinized for itsambiguity level,with a multiplier ranging from1.1 for low uncertaintyto a whopping5.0 for extreme cases.

Let me ask you something:

Ever spent a whole day on a task that should've taken minutes, all because you lacked the proper access or credentials?

Have you ever had to learn how to use a completely new tool for your projects before you even confirmed what you had been asked was feasible?

This step accounts for such unpredictabilities.This isn't just risk mitigation; it's like having an insurance policy for each task.

  • S - 1.1

  • M - 1.5

  • L - 3.0

  • XL - 5.0

Math Time

I take the complexity score and multiply it by the uncertainty factor. Think of it as project-saving algebra. Yeah, I know you are a numbers person. I know you saw quickly how much the ambiguity multiplier can extend the timelines for your project.

But guess what?

That's the point!If you are like me, you constantly underestimate because you don't think about the vagueness of your tasks. You just take the best-case scenario.

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The Buffer

A humble10% is addedto the final estimate to cater to the unseen, the unplanned, and the just-in-case scenarios. Trust me,scope creepis less scary when you've got a safety net.

I'm not joking! I really appreciate this buffer when a new idea pops into my mind or I find out I need to run some more tests.

Switching gears in your estimation strategy is never a whimsical decision; it's an outcome of critical evaluation and a desire for a far less murky future.

Let's peel back the layers of what drove me to recalibrate.

Desire for Enhanced Accuracy

Traditional methods like T-shirt sizing often felt like navigating in a fog — everything's hazy, and your gut can only get you so far. Tired of overshooting budgets and deadlines, I needed an approach that functioned like GPS for project management — precise, reliable, and up-to-date.

Building Stakeholder Trust

This isn't just about numbers; it's about people.

Stakeholder trust is the invisible currency that fuels project success.

You're essentially depositing trust into a relational bank account by upping the accuracy ante. Trust me, it pays dividends.

Mitigating Project Risks

Adding an uncertainty multiplier is like having radar for project risks. It flags potential issues early, letting you dodge or brace for impact. It's like an early warning system, offering a window to plan countermeasures.

It wasn't just about a new methodology but a complete paradigm shift. I quietly made the transition, focusing more on its effectiveness than on rolling out the red carpet. Sure, there was a learning curve steeper than a rollercoaster, but that's a small price for unlocking a world of benefits.

Outcomes

Ever wondered what it's like to be a data-driven Merlin, conjuring up near-perfect estimations?

Let's dive into the nitty-gritty of how this method turned out to be my Excalibur in the realm of project management.

Navigating the Data Landscape

In the ever-evolving world of data, we're no strangers to uncharted challenges. With my Granular T-shirt Scoring System, my estimates may never be 100% accurate, but they're getting tantalizingly close. It's like having a lighthouse in a storm when your radar is acting up.

I Changed The Way I Estimate Projects. Here's The Method I Invented (2)

Strengthening Stakeholder Relations

Remember that relational bank account I talked about?

Well, the interest has started accruing. Stakeholders no longer second-guess my time assessments, which has transformed how they plan strategic initiatives. It's like syncing your calendar with success.

Extending the Method to Personal Projects

You know a method has clout when you start implementing it beyond the office walls. My personal project management system in Notion now sings the same GTSS tune. It's like having a personal assistant who knows exactly when you should start your tasks to hit those deadlines.

Project estimation is more than numbers; it's about trust, navigating through the mists of uncertainty, and embracing continuous improvement.

We've reached a point where the method has proven its mettle, but rest on our laurels?

Not a chance. The road to project management nirvana is paved with a ceaseless quest for improvement.

Iterative Refinement

If there's one thing we data folks love, it's the endless refinement loop. Each project becomes a new dataset, a treasure trove of insights that allow us to further fine-tune our method. Think of it as A/B testing in real-time — only the stakes are much higher.

Silent Monitoring

I'll continue to quietly monitor the accuracy of the estimations, dissecting the variances like a surgeon and tweaking the approach for even tighter alignment with reality. It's all about continual calibration. Picture it as tuning a musical instrument—get it right, and the melody of success will follow.

Eyes on the Horizon

Though GTSS has been transformative, I'm always looking for the next big thing in project estimation. The allure ofEvidence-Based Schedulesby Joel Spolsky is an intriguing call for further exploration. Imagine, if you will, opening another door in a maze full of opportunities. The game's afoot, and we're ready for the next challenge.

In essence, it's not just changing methods. It's about fostering a culture of incessant learning and adaptation. It's like setting your compass toward a horizon that expands with every project we nail.

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In Summary

Look, the road to robust project estimation is filled with twists, turns, and maybe a few bumps — sounds a lot like life, doesn't it?

But as I've navigated this journey, I discovered that an innovative approach to task estimation — my Granular T-shirt Scoring System — can be a game-changer. It doesn't just level up accuracy; it builds the kind of stakeholder trust that can be the bedrock of enduring partnerships.

And while no method is a silver bullet, embracing a model that evolves with you?

That's as golden as it gets.

If you've followed this story and found yourself nodding along, you're likely a seeker — a seeker of methodologies that take the guesswork out of complex projects. Here's your next step: Don't just take my word for it. Experiment with the GTSS model in your own sphere. Use it, tweak it, and make it your own. The world of project management is ever-changing, and pioneers are always welcome.

And hey, once you've given it a spin, come back and share your story. In our data-driven world, collective wisdom is our ultimate edge.

Are you ready to harness it?

Leave a comment

I Changed The Way I Estimate Projects. Here's The Method I Invented (3)
I Changed The Way I Estimate Projects. Here's The Method I Invented (2024)

FAQs

What is the best way to estimate a project? ›

Bottom-up estimating: The bottom-up approach is considered more accurate than top-down estimation because it starts with a detailed list of tasks and estimates each step. Individual task estimates are then combined to create an overall project estimate.

Which technique do you use for doing the estimations in the project? ›

Top-down estimation

The top-down estimation strategy estimates an overall time for a project, and then breaks that project down into smaller phases and tasks based on that estimated final time. This estimation technique is commonly partnered with the work breakdown structure (WBS) project management strategy.

What is the most correct method of estimate? ›

Explanation: Detailed estimate: A detailed estimate should have documents such as report, specifications, drawings/plans, design charts and schedule of rates and is the most accurate method of estimating.

What is the best estimating method? ›

Comparative or analogous estimation

Analogous estimating reviews successful projects from the past that are similar to the current project. You can apply those insights to generate cost, scope, and time forecasts. This method is best suited for routine projects.

What strategy can you use to estimate? ›

Use personal references

In essence, estimation is the process of relating an unknown quantity to some known quantity. An effective last-ditch strategy is to relate the unknown quantity to some known quantity in your life — with the important caveat that you must account for bias in your reference.

What is the most commonly used method of estimation? ›

Bottom-up estimation

Bottom-up estimation is often preferred over top-down estimation since the people doing the work are the same ones setting the timeline and budget. It's also likely to result in more accurate estimates.

Which is the best approach for estimation? ›

Three-point estimate

That's what makes three-point estimation so useful. You have three values: the most likely estimate, plus the optimistic, and pessimistic ones. From there, you get the most accurate number by adding up the values and dividing by three.

How to do estimation method? ›

The General Rule of Estimation

Observe the digit to its right to decide how to round: If the digit to the right is 0-4 i.e., 0, 1, 2, 3, 4: we leave the digit alone (round down). If the digit to the right is 5-9 i.e., 5, 6, 7, 8, 9: we increase the digit by 1 (round up).

What is the easiest way to estimate? ›

The simplest way to estimate is by rounding off numbers to the nearest whole number. Rounding off helps achieve an approximate answer faster.

Which is the most accurate way of estimating? ›

Detailed estimate is the most accurate method and consist of working out the quantities of each of item of works and working the cost. The dimensions are taken directly from the drawings and quantities of each item are calculated.

How do you estimate correctly? ›

4 Steps to precise task duration estimates
  1. Step #1: Look at the task from a bird's eye view. ...
  2. Step #2: Break down your task into chunks. ...
  3. Step #3: Roughly calculate the time for each step. ...
  4. Step #4: Add more time, just in case. ...
  5. Conclusion: Keep the data up your sleeve.
Sep 8, 2023

What are project estimation techniques? ›

Project estimation techniques are tools that help project managers forecast cost, time and other variables as they relate to a forthcoming project. These estimation techniques allow for a more accurate forecast of key elements in every project and include cost, time, scope, risk, resource and quality.

What is a method of estimating? ›

Estimates are a technique for calculating the quantities of various work items, and the methods used are methods of estimation. These estimation techniques enable you to plan for resource allocation, provide better forecasts to clients, and budget the funds and resources required for project success more accurately.

What is the ideal approach to estimating project time? ›

The ideal approach to estimating project time and costs is to use both the top-down and the bottom-up approach. Estimates that are typically based on estimates of elements found in the work breakdown structure are called bottom-up estimates.

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