Hi! I am Maryna

Welcome to my data analytics portfolio


Engineering, analyzing and visualizing data to explore a new level of excellence in an organization


About me
Ms. Pavlenko is a Data Engineering Analyst with at least 7 years of work experience. She is proficient in designing, deploying, testing, and maintaining data warehouse & technical architectures. Included in her experience are ETLs, data manipulation, analytics, and visualizations. Besides being a multi-lingual professional with a unique combination of broad and deep business knowledge, Maryna has deep technology experience.

Maryna has a proven record of accomplishments in data engineering, building predictive ML models, analysing and visualising big data by delivering insights while implementing robust engineered, user-focused solutions and driving breakthrough efficiently. She has been involved in multiple projects, improving bottom-line results. Maryna is a creative problem solver and strategic decision maker in fast-paced, fluid environments.

Ms. Pavlenko’s philosophy on data analytics for 21st century organizations is as follows:
"Many organizations within the Fortune 500 companies face staggering challenges in the 21st century. As technical advances increase exponentially, companies must stay competitive. Organizations' success in identifying and responding to their technological needs and data analytical demands becomes critical. Organizations in the twenty-first century must complete tasks such as determining how to best scale growing data volumes, storing and securing that data, analysing and utilizing that data to make informed decisions. The most obvious challenge is cost containment whilst simultaneously improving automation, accessibility, security, and scalability of organizational data.
At the minimum, such goals require informed strategic planning; efficient architectural designs for any data type (structured or unstructured); automation and optimization of data processing; secure storage and encryption; data quality and reliability; qualitative and quantitative data analysis; the detection and reduction of fraud/errors; and data-driven engagement with third-party payers."

Maryna’s background in data engineering, business intelligence, machine learning, and analytics has fortified her skillset to investigate such disparities objectively and offer the resulting solutions and insights to the various stakeholders within a company. The resulting solutions and insights are potentially applicable to all verticals of an organization, effecting cost-optimization while improving the data ecosystem by revealing "best practice methods". Her interest in this field is both personal and professional. Ms. Pavlenko has proven that she can contribute to a better understanding of a company’s performance and/or customer behaviour.

Tools & Technologies


Certifications


Projects


Ensemble Modeling

Prediction of Medical Charges


Analysis and prediction of medical costs. On a per capita basis, health spending comprises about $11k per year. The findings help plan, modify or streamline financial operations of any medical institution.

Regression Analysis

Prediction of Stroke


Analyzing clinical data for drivers of stroke. Every year, more than 795K people in the United States have a stroke. Further research can contribute to preventive medicine and save at least 70k of lives each year.

Text Mining

Genetic Mutations Analysis


Analyzing text data to find anomalies, patterns and correlations to predict outcomes. In 2019, there will be an estimated 1.76 M new cancer cases diagnosed and 606K cancer deaths in the United States. Further research is crucial to provide a faster and more accurate reading of clinical evidence.

Propensity Score-Matching Analysis

Prediction of Buying Behavior


Analyzing data for potential insight to inform a “free-to-fee” strategy. Looking into factors that affect users’ decisions to pay for a premium subscription. Findings quantified the effect of social engagement on revenue, as well as how valuable a premium subscriber can be in a freemium social community.

Classification Models

Malware Analysis


Evaluating different classification models to predict malicious and benign websites, based on application layer and network characteristics.

Social Network Analysis

Prediction of Salesrank for Amazon products


Analysis of product co-purchase data from Amazon. Poisson regression is used to predict salesrank of all the books using products’ own information and their neighbor’s information.

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