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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Haseeb Tariq</title>
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<div class="card-wrapper">
<div class="card">
<div class="profile-card">
<div class="profile-pic">
<img class="media-object img-circle center-block" data-src="holder.js/100x100"
alt="Haseeb Tariq"
style="cursor: pointer !important;"
src="profile.jpg"
itemprop="image" onclick="window.open('/', '_self');">
</div>
<div class="contact-details">
<div class="name-and-profession">
<h3 class="text-bolder name" itemprop="name"
style="cursor: pointer !important;"
onclick="window.open('/', '_self');">Haseeb Tariq</h3>
<h5 class="text-muted" itemprop="jobTitle">Data Scientist</h5>
</div>
<div class="detail">
<span class="icon">
<i class="fa fa-lg fa-envelope"></i>
</span>
<span class="info">
<a href="mailto:[email protected]" class="link-disguise" itemprop="email">[email protected]</a>
</span>
</div>
<div class="detail">
<span class="icon">
<i class="fa fa-lg fa-phone"></i>
</span>
<a href="https://www.linkedin.com/in/mhaseebtariq"
target="_blank" class="link-disguise info" itemprop="telephone">
[Request on LinkedIn]
</a>
</div>
<div class="detail">
<span class="icon">
<i class="fa fa-lg fa-map-marker"></i>
</span>
<span class="info" style="margin-left: 4px;">
Utrecht, The Netherlands
</span>
</div>
</div>
</div>
<hr>
<div class="social-links">
<a class="social-link" href="https://scholar.google.com/citations?user=XJDrx_EAAAAJ&hl=en" target="_blank">
<span class="tippy fa-brands fa-google-scholar fa-3x" data-tippy-content="Google Scholar"></span>
</a>
<a class="social-link"
href="https://github.com/mhaseebtariq" target="_blank">
<span class="tippy fa-brands fa-github fa-3x" data-tippy-content="Github"></span>
</a>
<a class="social-link"
href="https://www.linkedin.com/in/mhaseebtariq" target="_blank">
<span class="tippy fa-brands fa-linkedin fa-3x" data-tippy-content="LinkedIn"></span>
</a>
<a class="social-link" href="https://medium.com/@mhaseebtariq/" target="_blank">
<span class="tippy fa-brands fa-medium fa-3x" data-tippy-content="Blogs"></span>
</a>
<a class="social-link" href="offline.html" target="_blank">
<span class="tippy fa-solid fa-print fa-3x" data-tippy-content="Print Version"></span>
</a>
<a class="social-link" href="CV-MHT.pdf">
<span class="tippy fa-solid fa-file-pdf fa-3x" data-tippy-content="Download PDF"></span>
</a>
</div>
</div>
</div>
</section>
<section class="row">
<div class="card-wrapper">
<div class="card" style="border: none !important; padding: none !important; padding: 0.5em 3.5em !important;">
<a onclick="goBack()" role="button" style="cursor: pointer;">
<h4 id="back-page"><span class="fa fa-backward"></span><span class="title t-details">Back</span></h4>
</a>
</div>
</div>
<div class="card-wrapper">
<div class="card background-card">
<h4 id="challenges"><span class="fa fa-flag-checkered"></span><span class="title t-details">Challenges</span> </h4>
<div class="card-nested" itemprop="description">
<p>
At Coolblue, several departments are dealing with many different kinds of timeseries data:
<ul>
<li>Number of shipments per day</li>
<li>Number of invoices per day</li>
<li>Number of customer service calls per day</li>
<li>Number of returns per day</li>
<li>Number of sales per item per day</li>
<li>… and more</li>
</ul>
For different use cases, the decision makers want the forecasts with different granularities and different time span:
<ul>
<li>Weekly number of shipments for the next year</li>
<li>Daily shipments for the next 2 weeks</li>
<li>Number of sales per item for the next day</li>
<li>… and more</li>
</ul>
Modeling even a single timeseries "manually" could be a very time consuming task. With every passing day the trends and patterns in each
timeseries are also changing. To top it all off, every timeseries is also different in terms of:
<ul>
<li>Volatility</li>
<li>Stationarity</li>
<li>Magnitude, and</li>
<li>Noise</li>
</ul>
It is, therefore, infeasible to hire several hundred analysts to perform (readily available)
forecasts every day. Automating the:
<ul>
<li>Training of the models</li>
<li>Validation of the models, in terms of:
<ul>
<li>Accuracy</li>
<li>Stability</li>
<li>Reliability</li>
<li>Robustness</li>
</ul>
</li>
<li>Serving the forecasts</li>
<li>Controlling, and</li>
<li>Monitoring the outputs</li>
</ul>
…therefore, become a huge challenge. Not only in terms of design complexity, but time and space complexities as well.
</p>
</div>
<h4 id="solution"><span class="fa fa-exclamation-circle"></span><span class="title t-details">Solution</span> </h4>
<div class="card-nested" itemprop="description">
<p>
We came up with idea of GFM, keeping these requirements in mind. A fully-automated "generalized" forecasting machine,
that is able to perform robust scientific/statistical analyses and tasks <b>at scale</b>.
<br><br>
The challenge with the time complexity was solved by utilizing distributed computing on Spark. The design complexity
and the topic of validating models at scale require a lot of explanation. Happy to share those details in a conversation 😊
</p>
</div>
</div>
</div>
</section>
</div>
</body>
</html>