<?xml version="1.0" encoding="utf-8"?><feed xmlns="http://www.w3.org/2005/Atom" xml:lang="en"><generator uri="https://jekyllrb.com/" version="4.4.1">Jekyll</generator><link href="https://hpiridi.github.io/feed.xml" rel="self" type="application/atom+xml"/><link href="https://hpiridi.github.io/" rel="alternate" type="text/html" hreflang="en"/><updated>2026-03-22T13:11:20+00:00</updated><id>https://hpiridi.github.io/feed.xml</id><title type="html">Hari Prasad Piridi</title><subtitle>Director, Data Science @ Walmart Global Tech | Research Scholar @ BITS Pilani </subtitle><entry><title type="html">Welcome to My Blog</title><link href="https://hpiridi.github.io/blog/2026/welcome/" rel="alternate" type="text/html" title="Welcome to My Blog"/><published>2026-03-10T00:00:00+00:00</published><updated>2026-03-10T00:00:00+00:00</updated><id>https://hpiridi.github.io/blog/2026/welcome</id><content type="html" xml:base="https://hpiridi.github.io/blog/2026/welcome/"><![CDATA[<h2 id="welcome">Welcome</h2> <p>This is the first post on my personal blog. I’ll be writing about:</p> <ul> <li><strong>Machine Learning at Scale</strong> — lessons from building production ML systems at Walmart</li> <li><strong>Research Insights</strong> — deep dives into papers and methods</li> <li><strong>Data Science Leadership</strong> — managing DS teams and strategy</li> </ul> <h3 id="code-example">Code Example</h3> <p>Here’s a quick Python snippet to show syntax highlighting:</p> <div class="language-python highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="kn">import</span> <span class="n">numpy</span> <span class="k">as</span> <span class="n">np</span>

<span class="k">def</span> <span class="nf">sigmoid</span><span class="p">(</span><span class="n">x</span><span class="p">):</span>
    <span class="k">return</span> <span class="mi">1</span> <span class="o">/</span> <span class="p">(</span><span class="mi">1</span> <span class="o">+</span> <span class="n">np</span><span class="p">.</span><span class="nf">exp</span><span class="p">(</span><span class="o">-</span><span class="n">x</span><span class="p">))</span>
</code></pre></div></div> <h3 id="math-example">Math Example</h3> <p>Inline math: \(E = mc^2\)</p> <p>Display math:</p> \[\mathcal{L}(\theta) = -\sum_{i=1}^{N} \left[ y_i \log(h_\theta(x_i)) + (1-y_i) \log(1-h_\theta(x_i)) \right]\] <h3 id="mermaid-diagram">Mermaid Diagram</h3> <pre><code class="language-mermaid">graph LR
    A[Data Ingestion] --&gt; B[Feature Engineering]
    B --&gt; C[Model Training]
    C --&gt; D[Evaluation]
    D --&gt; E[Deployment]
</code></pre> <p>More posts coming soon!</p>]]></content><author><name></name></author><category term="general"/><category term="welcome"/><category term="data-science"/><summary type="html"><![CDATA[First post on my blog — covering what to expect: production ML at scale, research deep dives into GNNs and LLMs, and lessons from leading data science teams.]]></summary></entry></feed>