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Data Visualization

A guide to help you create effective visualizations

Types of Graphs

This bar chart explains the quantity of paying memberships with year as the categorical variable. As in this graph, if you include data labels you may be able to remove gridlines and/or the y-axis for simplicity.

This bar chart shows the average number of paying memberships at the end of year. The data was averaged over the each quarter and averaged into a yearly average.

Graph created in Excel with data from Statista

This line graph is used to show total number of registered vehicles as a quantitative variable changing over 20 years. This type of graph can be used as a comparison by having multiple lines over the same time period.

This is a line graph showing the total number of registered vehicles in US from 2000-2023

Created in SAS with data from Federal Highway Administration in Sage Data

A scatterplot shows the relationship between two quantitative variables in this case the number of books in the series and the average ratings of books in the series. This graph can be used to investigate possible correlation between the two variables if you have enough data points.

This is a scatter plot showing the number of books in a YA book series vs the average rating of the books in the series

This graph was created in Tableau with data from goodreads

This box plot shows the distribution of kills per set as a quantitative variable among competitive teams. To compare among groups put multiple box plots in the same plot area. This graph will also provide context through the median, quantiles, outliers, min and max.

This is a box plot showing the kills per sets in volleyball for three teams: FSU, Clemson, Louisville

Created in RStudio using ggplot2 with data from FSU, Clemson, and Louisville Volleyball websites

This histogram shows the frequency of maximum humidity over 95 degrees over the months of the year over 2020-2024.

This is a histogram showing the frequency of days the maximum humidity is over 95 in tallahassee in each month of the years for the years 2020-2024

Created in Python using matplotlib with data from Iowa Environmental Mesonet

This pie chart shows the expenditures with comparison of categories and how much it contributes to the total.

This pie chart shows where florida's personal expenditures are spent per capita in 2023

Created in Excel with data from US Bureau of Economic Analysis

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