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Lexi_Portfolio

An Analysis of Post-5 P.M. Step Counts - Remote vs. Traditional Work

Research Writing Sample

This study focuses on understanding how active individuals are after work hours by comparing the walking patterns of two participants transitioning between remote work and the office setting. According to Owen (2010), “Compared with our parents or grandparents, we are spending increasing amounts of time in environments that not only limit physical activity but require prolonged sitting—at work, at home, and in our cars and communities. Work sites, schools, homes, and public spaces have been (and continue to be) re-engineered in ways that minimize human movement and muscular activity. These changes have a dual effect on human behavior: people move less and sit more.” In recent times, sedentary lifestyles have become increasingly prevalent, with individuals demonstrating low daily physical activity levels. This project aims to understand the impact of remote work on physical activity compared to traditional work settings.

With more people working from home, examining how this change might affect our health is essential. Research studies have shown the health risks of sedentary behavior, which include adverse cardiovascular and metabolic health effects. By understanding how remote work can be linked to low physical activity, we can use these insights for strategies to create more active work environments, policies, and programs. This study will observe the participants' walking patterns for one year. Both participants will work remotely for six months and monitor their walking patterns. Following that, for six months, both participants will switch to working in an office setting. This research will track their daily step counts after 5 p.m. when most people have completed their workday.



An Analysis of Post-5 P.M. Step Counts - Remote vs. Traditional Work

Situation

The project aims to understand how different work environments (remote vs. traditional in-person work) influence physical activity levels, specifically focusing on step counts post-5 P.M.

Task

Analyze and compare daily step counts post-5 P.M. in remote and traditional work settings. Responsibilities include collecting step count data, data cleaning, and statistical analysis.

Action

  • Collected daily step count data for a year, with participants experiencing both remote and traditional work environments.
  • Conducted a detailed analysis of step counts post-5 P.M. for both work settings.
  • Applied appropriate statistical methods to compare and understand the differences in physical activity levels in the two settings.

Result

The study aims to provide insights into how work environment affects physical activity, specifically steps taken post-5 P.M. The findings could inform workplace policies and individual health strategies, emphasizing the importance of activity in different work settings.

Reflection

This project highlights the potential of data-driven insights in understanding lifestyle impacts due to work environments. It underscores the importance of considering work settings in health and wellness strategies and can guide future research to include other factors such as age, gender, or type of occupation.

Overview of Post-5 P.M. Step Counts - Remote vs. Traditional Work

Analysis_2 Analysis_3 Analysis_4 Analysis_5 Analysis_6 Analysis_8 Analysis_9 Analysis_10



Time Series Analysis in R - Honeypot Attacks

Situation

The project seeks to understand cyberattacks by analyzing honeypot data to unveil patterns in attack occurrences based on time.

Task

Analyze and compare the frequency of cyber attacks across different hours of the day using honeypot data. Responsibilities include collecting and processing attack data, conducting statistical analysis, and visualizing attack patterns.

Action

The project involved gathering data from honeypots, focusing on timestamped attack logs and subsequent analysis steps:

  • Acquired honeypot data, specifically "dionaeaClean2.xlsx," detailing attack timestamps.
  • Processed and formatted timestamps into POSIXct format for accurate time-based analysis.
  • Extracted hourly data from timestamps, creating a new column for easier analysis.
  • Utilized the dplyr package to aggregate data by hour, calculating attack counts per hour for insights.
  • Visualized attack frequency using ggplot2 to create graphical representations of attack patterns by the hour.

Results

Through analysis, the project uncovered:

  • Identified a significant surge in cyber attacks during evening hours, indicating a potential vulnerability window.
  • Surprising finding: The unexpected high frequency of attacks during evening hours could pose increased vulnerabilities during these times.
  • Expected outcome: Anticipated lower attack frequency during standard business hours was observed, aligning with typical security expectations.

Reflection

This project shows the importance of time-based analysis in cybersecurity. The findings emphasize the need for defenses during specific timeframes susceptible to increased attack frequencies. It also highlights the need for continuous monitoring and adaptation of security measures.

Overview of Honeypot Attacks

Time_Series Time_Series_2 Time_Series_3 Time_Series_4 Time_Series_5 Time_Series_6



Comparing Male and Female Groups Daily Step Counts

This project aims to conduct a statistical analysis using an independent-sample t-test to determine if there is a significant difference in the average daily step count between males and females. This will be achieved by processing and analyzing step count data from the Apple Health app within a 9-month timeframe.

Situation

The increasing availability of health and fitness data through applications like Apple's Health app provides a unique opportunity to understand physical activity patterns across different demographics. This project leverages Apple Health data to analyze daily step counts, aiming to uncover gender-based trends and contribute to public health knowledge.

Task

I will perform a detailed comparative analysis of step count data, focusing on gender differences. My responsibilities include data cleaning, preparing datasets for analysis, conducting the t-test, and interpreting the results.

Action

Utilizing the Apple Health application's data, I executed the following steps:

  • Seperated the data by gender to define independent groups for analysis.
  • Calculated average daily steps for each gender group.
  • Performed an independent-samples t-test to evaluate the significance of the observed differences.
  • Analyzed the t-test results.

Result

The analysis concluded statistically significant insights into the step count differences by gender, which could inform public health initiatives and personal fitness programs.

Reflection

This project shows the potential of using everyday technology for large-scale health data analysis and how it can influence public health decisions. It will also highlights my analytical skills, particularly in statistical methods and health data interpretation. For future projects, I aim to incorporate more variables, such as age and BMI, to create a more comprehensive understanding of physical activity patterns.

Overview of Male and Female Groups Step Counts

Screenshot 2023-12-05 165927 Gender_Walking_2 Gender_Walking_3 Gender_Walking_4 Gender_Walking_5 Gender_Walking_7



Analyzing Amazon Sales Data: Sales Trends and Ratings

This project shows my proficiency in transforming raw data into actionable insights, showcasing my ability to analyze ratings and identify areas for improvement in Excel.

  • Data was taken from the Amazon sales dataset.
  • I analyzed Amazon sales data to extract actionable insights.
  • I assessed product performance and customer satisfaction.
  • Utilized advanced Excel functions for in-depth analysis.

Situation

The e-commerce industry has been a focal point for understanding consumer behavior, market trends, and product performance. Amazon, as one of the largest online marketplaces, serves as a rich repository of data. The goal of this project was to analyze Amazon sales data, sourced from Kaggle, to provide actionable insights.

Task

I was responsible for a comprehensive analysis of Amazon sales data. My role was to assess product performance and customer satisfaction across different categories, with the use of advanced Excel functions for detailed analysis.

Action

For the in-depth analysis, I utilized a dataset from Kaggle featuring Amazon sales data. Employing advanced Excel functions, I:

  • Computed total sales for each category, offering insights into their market performance.
  • Inspected ratings within categories to gauge customer satisfaction levels.
  • Highlighted the top-performing categories based on quantifiable metrics like sales and ratings.
  • Applied descriptive statistics to summarize essential metrics, specifically focusing on calculating the mean, median, minimum, and maximum for various product categories.

Result

The analysis showed actionable insights that could serve as a cornerstone for data-driven decision-making in e-commerce settings. Specifically, I was able to:

  • Isolated top-performing and underperforming categories based on objective metrics.
  • Assessed customer satisfaction metrics across a variety of product categories.
  • Uncovered patterns and trends valuable for future marketing strategies.

Reflection

This project reinforced the importance of data analytics in e-commerce and showcased my proficiency in conducting detailed data analysis using advanced Excel functions. In future iterations of this project, I aim to include machine learning algorithms to predict sales trends and customer preferences more precisely.

Overview of Amazon Sales Data

Amazon_Data_1 Amazon_Data_2 Amaon_Data_3 Amazon_Data_4 Amazon_Data_5

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