Raj Choudhary
Assistant Research Scientist/Data Scientist at NYU Marron Institute of Urban Management- Claim this Profile
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English Professional working proficiency
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Hindi Professional working proficiency
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Bio
Credentials
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Machine Learning by Stanford University (97.3%). Certificate earned at Monday, June 4, 2018 2:56 PM GMT
CourseraJun, 2018- Nov, 2024
Experience
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NYU Marron Institute of Urban Management
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United States
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Higher Education
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1 - 100 Employee
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Assistant Research Scientist/Data Scientist
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Jun 2023 - Present
- Lead the data science initiative at Litmus, leveraging the latest machine learning, artificial intelligence, and analysis methodologies to develop and test new ideas for improving the performance of the public sector.- Oversee the execution of studies from design to analysis, while also developing data products, tools, and insights to drive impactful solutions for enhancing the performance of the public sector.
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Data for Justice Student Fellow
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Sep 2022 - May 2023
- Successfully launched the public release of the Indicator Tool, making it available to stakeholders and the public, and facilitating transparency and accountability in the management of prison and parole population data.
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Data for Justice Summer Fellow
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May 2022 - Aug 2022
- Led a collaborative effort with the Illinois Department of Corrections (IDOC) to develop and implement an interactive data dashboard, empowering IDOC staff to gain comprehensive insights into prison and parole population datasets, leading to more informed policy formulation.- Presented the data dashboard to the Director of IDOC and his executive team in Springfield, IL, effectively showcasing its capabilities and potential impact on improving decision-making processes.
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NYU Grossman School of Medicine
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United States
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Higher Education
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700 & Above Employee
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Student Research Intern
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May 2022 - Aug 2022
- Collaborated with Dr. Sam Parnia and Prof. Andrew Halterman to analyze and classify sentences from patients' experiences, contributing to the understanding of Recalled Experiences of Death (RED) by categorizing them into different subthemes. - Developed and implemented a web scraper to extract patients' experiences and corresponding questionnaires from NDERF.org, enabling efficient access to the necessary data for analysis. - Designed a robust NLP pipeline using CountVectorizer and TfidfVectorizer in conjunction with Logistic Regression and Random Forest classifiers, achieving a validation F1 score of 73% for accurately classifying sentences as either unnecessary or experience-related. - Utilized BERT, a transformer-based model, to enhance the classification of unnecessary versus experience-related sentences and to lay the foundation for future theme and subtheme classification highlighting the potential for further advancements in understanding patients' experiences. Show less
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NYU Courant Institute of Mathematical Sciences
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United States
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Higher Education
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1 - 100 Employee
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Graduate Research Assistant
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Feb 2022 - May 2022
- Successfully led a team of 3 graduate Research Assistants as Team Lead, working under the guidance of Prof. Petter Kolm and Prof. Lee Maclin, effectively coordinating efforts and ensuring project objectives were met. - Conducted extensive exploratory analysis on a dataset of 500,000 job listings from Indeed, unearthing hidden patterns within the summaries and descriptions. Leveraged these insights to develop an automated tagging system, categorizing the listings into different domains and levels of expertise. - Conducted in-depth research on various topic models and coherence measures to identify the most effective approaches for the given dataset. Evaluated the models' performance and assessed their alignment with human interpretability. - Implemented Singular Value Decomposition (SVD) and Topic Modeling analyses on the job listings corpus, utilizing these techniques to gain deeper insights into the data and automatically assign appropriate tags to the job listings across different categories. Show less
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OWASP VIT Student Chapter
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Chennai Area, India
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Technical Team Member
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Feb 2018 - Dec 2019
- Led the development team of the chapter as Lead Web Developer. Oversaw the development and deployment of the chapter's website and the websites of different events organized by the chapter. - Coordinated the technical work for the Student Outreach Program (SOP), a drive to educate middle school and high school students in Chennai on topics such as Internet Privacy, Cyber-bullying, etc. - Led the development team of the chapter as Lead Web Developer. Oversaw the development and deployment of the chapter's website and the websites of different events organized by the chapter. - Coordinated the technical work for the Student Outreach Program (SOP), a drive to educate middle school and high school students in Chennai on topics such as Internet Privacy, Cyber-bullying, etc.
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LinuxWorld Informatics Pvt Ltd
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India
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IT Services and IT Consulting
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300 - 400 Employee
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Summer Research Intern
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May 2019 - Jun 2019
- Redesigned and automated an RPA Python-CGI portal, streamlining development and testing tasks for developers. - Upgraded the automation module using Ansible, ensuring robustness and platform independence. - Implemented an NLP-based voice command feature for seamless user query handling. - Built a versatile automation system that reduced execution time by 40% compared to traditional programming languages. - Redesigned and automated an RPA Python-CGI portal, streamlining development and testing tasks for developers. - Upgraded the automation module using Ansible, ensuring robustness and platform independence. - Implemented an NLP-based voice command feature for seamless user query handling. - Built a versatile automation system that reduced execution time by 40% compared to traditional programming languages.
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ICRTAC - CPS 2018
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VIT University Chennai Campus
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Lead Web Developer
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Feb 2018 - Nov 2018
- Developed the website for ICRTAC-CPS 2018 organized by IEEE and VIT Chennai. - Led a team of 6 developers in the development team and deployed the 1st version of the website within 2 weeks. - Headed the team that provided backend and customer support for registration and online payment facilities. - Developed the website for ICRTAC-CPS 2018 organized by IEEE and VIT Chennai. - Led a team of 6 developers in the development team and deployed the 1st version of the website within 2 weeks. - Headed the team that provided backend and customer support for registration and online payment facilities.
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SciTech@VIT 2018
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VIT University Chennai Campus
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Lead Web Developer
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Feb 2018 - May 2018
- Lead a team of 4 developers to develop a website for an event for schools kids hosted by VIT University. - Deployed the initial version of the website with full backend support for registration within a week. - Lead a team of 4 developers to develop a website for an event for schools kids hosted by VIT University. - Deployed the initial version of the website with full backend support for registration within a week.
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Vibrance 2018
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Vit University Chennai Campus
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Lead Web Developer
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Dec 2017 - Feb 2018
- Led a team of 10 web developers for deploying the website of the annual cultural fest of VIT University. - Designed the complete front-end of the website from scratch using various design methods ranging from brainstorming to rapid prototyping. - Deployed servers for registration and a few over 5000 people visited the site. - Led a team of 10 web developers for deploying the website of the annual cultural fest of VIT University. - Designed the complete front-end of the website from scratch using various design methods ranging from brainstorming to rapid prototyping. - Deployed servers for registration and a few over 5000 people visited the site.
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Education
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2021 - 2023
New York University
Master of Science - MS, Data Science -
2016 - 2020
Vellore Institute of Technology
Bachelor of Technology (BTech), Computer Science and Engineering -
2014 - 2016
Birla high school
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