Quantitative Data Visualization with RStudio

Summary: In this RStudio project I used ggplot to create complex data visualizations, demonstrating proficiency in coding and data analysis. Through a step-by-step process, I developed visualizations that highlight relationships between multiple variables, effectively communicating insights from the data.

Deliverables

geom bar

Using ggplot & geom_bar () with fill to better understand relationships between data.

Scatter plots
Identifying trends in data with a scatter plot visualization.
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The Challenge

In this graduate-level RStudio assignment, we used data in `tidyverse` (which automatically installs `ggplot2`), `palmerpenguins`, and `skimr` packages. The task was to create clear and meaningful visualizations for datasets involving multiple variables—ranging from two numbers to more complex visualizations with three or more variables. The challenge was not only to select the appropriate types of visualizations that accurately represented the data, but also to ensure the visualizations communicated insights effectively. This required a balance of technical proficiency in RStudio and an understanding of data relationships to produce visualizations that were both informative and easy to interpret.

The Process

To approach this assignment, I worked through a step-by-step process using RStudio to write the necessary code for generating visualizations. I began by analyzing the dataset, identifying key variables to highlight, and determining which types of visualizations would best represent the relationships between these variables. Using R’s plotting functions (such as ggplot for advanced visualization), I crafted code that processed the data and visualized it in meaningful ways. At each stage, I tested different variables and visualizations, refining the outputs to ensure they accurately represented the data and were easy to interpret. This iterative process allowed me to explore various visualizations, including scatter plots, bar charts, and even more complex 3-variable visualizations.

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