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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="chrome=1">
<meta name="viewport" content="width=device-width">
<title>Charlie Zhang</title>
<meta property="og:title" content="About">
<meta name="author" content="Charlie Zhang">
<meta property="og:locale" content="en_US">
<meta name="description" content="MS-DSPP 22’ @ Georgetown cz317 [at] georgetown.edu">
<meta property="og:description" content="MS-DSPP 22’ @ Georgetown cz317 [at] georgetown.edu">
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<header>
<h1><a href="https://charliezhang.net/">Charlie Zhang</a></h1>
<p>MS-DSPP 22' @ Georgetown <br> cz317 [at] georgetown.edu</p>
<p class="view"><a href="#"> Home </a></p>
<p class="view"><a href="blog.html"> Blog </a></p>
</header>
<section>
<h2 id="about">About</h2>
<p>I am a recent graduate of the DSPP program at the Georgetown University. Prior to the
McCourt, I studied sociology and political science in Hong Kong and graduated with <em>first class honor</em>. You
can click <a href="https://www.dropbox.com/s/h1kqrk40l6rcbge/resume_cz.pdf?dl=0">HERE</a> to see my resume.</p>
<h2 id="interests">Interests</h2>
<p><strong>Substantive</strong>: Governance, Political Economy, Development Economics, Public Opinion <br>
<strong>Methodological</strong>: Causal Inference, Machine Learning
</p>
<h2 id="skills">Skills</h2>
<p><strong>Programming</strong>: R, Python, JavaScript, HTML/CSS, MySQL<br>
<strong>Framework:</strong> Flask, Shiny, PySpark, Tensorflow, Keras<br>
<strong>Library</strong>: Scrapy, Gensim, SpaCy, Sklearn, Bokeh, Plotly, Folium<br>
<strong>Certificate</strong>: Deep Learning Specialization (Coursera)
</p>
<h2 id="experience">Experiences</h2>
<div id="accordion">
<h3 id="current"> Current Position</h3>
<ol>
<li id="wb2">Data Science Consultant at the World Bank </li>
<ul>
<li>
Develop the methodology of employing non-survey data sources (Google Trends and aviation data) to assess
Pacific Islands Countries' tourism industry under data-sparse situations.
</li>
<li>
Perform time series (SARIMAX, VAR, ARDL, combined models) and econometric (RDD, RDiT) analysis on merged
data, with a 41% improvement in RMSE at combined forecasts.
</li>
<li>
Produce data visualizations (bokeh and d3.js) and other data science supports to the
<a href="https://worldbank.github.io/pacific-observatory/" style="color: #39c;">Pacific Observatory</a>.
</ul>
</ol>
<h3 id="past"> Past Experiences </h3>
<ol>
<li id="3ie">Consultant at <a href="https://www.3ieimpact.org/" style="color: #39c;">International Initiative
for Impact Evaluation (3ie)</a></li>
<ul>
<li>
Review literature and identify new robustness checks and approaches relevant to contemporary causal
inference techniques.
Conduct research on how remote sensing techniques can be implemented in impact evaluations.
</li>
</ul>
<li id="wb1">Data Science Intern at <a href="https://www.worldbank.org/en/research/dime"
style="color: #39c;">Development Impact Evaluation (DIME)</a>, The World Bank</li>
<ul>
<li>
Clean, link, and manage various administrative datasets. Perform statistical analysis and data
visualization.
</li>
</ul>
<li id="mdi">MDI Scholar at the <a href="https://mccourt.georgetown.edu/research/the-massive-data-institute/"
style="color: #39c;">Massive Data
Institute</a></li>
<ul>
<li>
Being a member of the <a href="https://github.com/URAP-charter">Crawl4All</a> to fix the storage
(docker, MongoDB) and scraping (scrapy) issues and speed up the process. Extract <strong>1
TB+</strong> files, texts, and images from 7000+ charter schools in the United States.
</li>
</ul>
<li">Research Assistant for <a href="http://markoklasnja.com/" style="color: #39c;">Dr. Marko Klasnja</a> at the
Walsh School of Foreign
Service, Georgetown University</li>
<ul>
<li>
Scrape (selenium, requests) and parse (pdfminer, pytesseract) information from
financial disclosures by office holders in various countries around the world. (<u><a
href="https://github.com/ccxzhang/scrapers-and-parsers" style="color: #39c;">code</a></u>);
</li>
<li>
Clear and Analyze the Survey of Consumer Finances (SCF) Data from 1983 (~ 20,000+ variables).
</li>
</ul>
<li id="lugar">Research Assistant at the Lugar Center </li>
<ul>
<li>
Scrape 116th congress bills from GovTrack.us and help producing <a
href="https://www.thelugarcenter.org/ourwork-Bipartisan-Index.html">the Lugar Center’s Bipartisan
index</href>. (<a href="https://github.com/ccxzhang/scrapers-and-parsers"
style="color: #39c;">code</a>).
</li>
</ul>
<li id="ytl">Research Assistant for <a href="https://yaotaili.wordpress.com/about/" style="color: #39c;">Dr.
Yao-tai Li</a> </li>
<ul>
<li>
Collect the Lennon Wall posts and clean the data. Co-Design the coding framework. Analyze the content of
the posts;
</li>
<li>
Part of the archive has been published on <a
href="https://theinitium.com/project/20200701-hongkong-lennon-wall-collection/#/"
style="color: #39c;">Initium</a> and won <a href="https://humanrightspressawards.org/winners-2021"
style="color: #39c;">2021 Human Rights Press Awards- Multimedia</a>.
</li>
</ul>
</div>
</section>
<footer>
<p class="view"> <small> Charlie Zhang on <a href="https://www.linkedin.com/in/chenxiao-charlie-z-b639a1128/">
LinkedIn </a></small></p>
<p> <small> This project is maintained by <a href="https://github.com/ccxzhang">ccxzhang</a> </small> </p>
</footer>
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