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Nancy Chemutai

Nancy Chemutai

Freelancer

Heat Intelligence

Technologies

My Portfolio Highlights

My New Track

Associate Data Scientist

My New Project

Analyzing Crime in Los Angeles

My New Course

Introduction to Python

My New Track

Associate Data Scientist

Analytical innovator, pushing the boundaries of what data can reveal.

My Work

Take a look at my latest work.

course

Understanding Data Science

course

Introduction to SQL

course

Introduction to Python

course

Understanding Data Science

My Certifications

These are the industry credentials that I’ve earned.

Other Certificates

WorldQuant University Applied Data Science Lab

U.S. Department of State and CRDF Global SAFEGUARDING PROGRESS: ADDRESSING NETWORK VULNERABILITIES TO SECURE RESEARCH, DATA, AND TECHNOLOGY

ALX Africa AICE - AI Essentials

ICSI CyberSecurity Essentials

ICSI CNSS Certified Network Security Specialist

KASNEB Certified Information Communication Technologists (CICT)

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

Courses

Introduction to Python
Introduction to SQL
Intermediate SQL
Intermediate Python

My Work Experience

Where I've interned and worked during my career.

10Alytics | Aug 2023 - Mar 2024

Data Scientist

• Spearheaded the creation of dynamic, data-driven dashboards using Tableau and Power BI, resulting in an increase in sales over a three-month period. • Leveraged Power BI and Tableau to extract, transform, and load (ETL) data from various sources, reducing data integration time. • Employed supervised learning models (classification model) to predict diabetes in patients, achieving accuracy and providing valuable insights for healthcare decision-making. • Implemented unsupervised learning techniques (K-Means) for data clustering, grouping sales data into distinct segments, leading to insights into the marketing department and enhancing decision-making. • Developed a computer vision model using Python and the OpenCV library to detect faces, mouths, and eyes, achieving high accuracy, and developed a hand landmark model and pose detection using the MediaPipe library with high precision. • Developed interactive dashboards addressing business challenges, identifying trends and purchasing behaviors among customers, resulting in data-driven sales decisions and an improvement in targeted marketing. • Conducted thorough data preprocessing, including cleaning, analysis, and forecasting using advanced Excel features like pivot tables, pivot charts, COUNTIF, VLOOKUP, and INDEX MATCH, resulting in actionable insights and an increase in revenue generation. • Collaborated with cross-functional teams on complex business problems, fostering innovation and improving decision-making processes. • Interpreted findings and trends to evaluate and automate the creation of sales reports, providing essential support to executives and reducing report creation time.
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Seacrest Technology Limited | Mar 2023 - Jul 2023

Data Scientist

• Successfully delivered an initial anomaly detection prototype (AI model) to the client using text and data analytics and ML algorithms, leading to an improvement in operational efficiency by clustering and identifying trends, patterns, and anomalies from the data. • Executed data loading, pre-processing, data-driven analysis, and analyst-driven analysis using PolyAnalyst 6.5 on both structured and unstructured data. • Implemented analyst-driven analysis, which led to a reduction in data analysis time and the creation of a user-friendly dashboard for stakeholders. • Conducted web scraping from social sites, i.e., property agency sites, and visualized results on the Kenyan map using Google Maps APIs, achieving a high-precision level and contributing to an increase in the tax base employing the Comidor platform. • Created comprehensive documentation facilitating stakeholder understanding of the model development steps, ensuring a reduction in onboarding time for new team members and replicability of the model if necessary. • Designed an HR system workflow using Comidor for a telecommunication company, streamlining processes and improving efficiency in HR operations, leading to a reduction in workflow processing time and increased overall productivity.

Heat Intelligence | Jun 2022 - Present

Web Researcher/Data Entry Officer

• Collect relevant data efficiently from various websites to enhance the quality and depth of organization insights, streamline processes, and help management make informed decisions gathered on the web. • Performed data preprocessing on collected data by handling missing values and data cleaning the web data before entering it into the system to ensure 99% accuracy. • Extract valuable insights from data extracted from various online sites.

Safaricom PLC | Aug 2019 - Feb 2020

Data Officer

• Conducted collection and verification of M-Pesa and dealers’ documents, ensuring clients submitted all required documents. • Analyzed, scanned, and accurately uploaded the collected documents to Safaricom’s dealer’s portal, maintaining accuracy compared to the checklist. • Performed data entry and cleanup procedures with correctness, achieving accuracy, and compiled a detailed report for task documentation. • Formulated data into tables and reports (using Excel VLOOKUP), resulting in an improvement in project progress tracking and transparency. • Successfully matched, merged, and archived documents, ensuring compliance with management-provided guidelines for document organization.

Amref Health Africa | Mar 2018 - Jun 2018

ICT Intern

• Achieved effectiveness in maintaining and configuring ICT infrastructure, strictly adhering to organizational policies and procedures. • Installed and configured users on Microsoft Dynamics and Sun Systems, troubleshooting problems promptly to maintain user satisfaction. • Performed configuration and troubleshooting of Microsoft Outlook versions (2007, 2010, and 2013), migrating users to Microsoft Outlook365 with a data loss minimization during the migration process. • Configured switches and routers, successfully troubleshooting network issues and providing solutions, resulting in users having uninterrupted internet access through activation of inactive. • Played a key role in the installation of midwifery e-module content both on mobile and web applications, training users in Kitui, Migori, and Kakamega counties. This initiative positively impacted the performance of health facilities, enhancing maternal services to local communities. • Executed the installation of Operating Systems (Windows 10), Microsoft Office 2013, and McAfee antivirus 2018, to ensuring 100% user protection from malware. • Set up conference calls using Cisco phones (model 3306), contributing to seamless communication experience for all involved parties.

My Education

Take a look at my formal education

Master of Science in Computer Based Information SystemsStrathmore University | 2019
Bachelor of Commerce in Business Information Systems OptionUniversity of Nairobi | 2014

About Me

Nancy Chemutai

Passionate and experienced data scientist with a proven track record in leveraging data-driven insights to address complex challenges. Proficient in supervised and unsupervised machine learning, data analytics, and computer vision, with a focus on op

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