• MLB walkup songs

    MLB walkup songs

    Just to illustrate the point from the previous post, I started playing around with this really small dataset that I found on Kaggle about MLB player walkup songs. Looks like… Read More

  • Feature Engineering vs. Exploratory Factor Analysis

    Feature Engineering vs. Exploratory Factor Analysis

    Wading through the vast universe of data science, I often find myself stumbling upon terms or methodologies that, at first glance, seem to blend into one another. Just today, I… Read More

  • Empowering Small Businesses Growth with Data Analysis

    Empowering Small Businesses Growth with Data Analysis

    Evaluation and data analysis isn’t just for non-profits. In today’s competitive business landscape, small businesses need every advantage to thrive and stay ahead. Data analysis can level the playing field…. Read More

  • Another look at supershoes: The Marathon

    Another look at supershoes: The Marathon

    In a recent post, I delved into the remarkable impact of Supershoes on the performance of athletes in the men’s 5000 meters race. The findings were nothing short of astonishing…. Read More

  • Innovating Speed: Advantages of Supershoes in Men’s 5000m

    Innovating Speed: Advantages of Supershoes in Men’s 5000m

    Supershoes, also called super spikes or super running shoes, represent a new era of technologically advanced athletic footwear tailored explicitly for track and field events. These innovative shoes introduce various… Read More

  • Revisiting the Past with Retrospective Pretests

    Revisiting the Past with Retrospective Pretests

    Updated November 16, 2023 In research design, we often use diverse methods to draw inferences, better understand our population of interest, and effectively address our research questions. When measuring change… Read More

  • The Tale of Homoscedasticity and Heteroscedasticity: Unveiling the Mystery of Variability

    The Tale of Homoscedasticity and Heteroscedasticity: Unveiling the Mystery of Variability

    When I was a younger graduate student, I learned the greatest word in statistics —Homoscedasticity. So let’s dive in to talk about homoscedasticity, heteroscedasticity, and why it matters even when… Read More

  • The Advantages of Being Data-Informed Over Data-Driven

    The Advantages of Being Data-Informed Over Data-Driven

    Across all sectors, data has undoubtedly become king. As organizations navigate an increasingly digital landscape, the demand for data has grown exponentially. We often hear buzzwords like “data-driven decision-making,” while… Read More

  • Exploring Anscombe’s Quartet

    Data analysis is at the heart of decision-making, and community practitioners strive to harness the power of information to improve their communities. However, relying solely on summary statistics can sometimes… Read More