Module # 11 assignment



Issaiah. Jennings

Module # 11 assignment

For this assignment, I recreated a classic Tufte-style dot-dash plot using ggplot2 in R. I started with a dataset that shows yearly values from 1967 to 1977. Using ggplot2, I made a clean line graph with dots showing the exact values for each year. I also added dashed horizontal lines to highlight important thresholds at 5 and 6, which matches the minimalist, data-focused style Tufte is known for. I customized the y-axis to show dollar values and used serif fonts and annotations to keep the design simple and clear.


# Load required libraries

library(ggplot2)


# Data

x <- 1967:1977

y <- c(0.5, 1.8, 4.6, 5.3, 5.3, 5.7, 5.4, 5, 5.5, 6, 5)

df <- data.frame(Year = x, Value = y)




# Plot

ggplot(df, aes(x = Year, y = Value)) +

geom_line(color = "black") +

geom_point(size = 3) +

geom_hline(yintercept = 5, linetype = "dashed") +

geom_hline(yintercept = 6, linetype = "dashed") +

annotate("text", x = max(df$Year), y = min(df$Value)*2.5,

label = "Per capita\nbudget expenditures\nin constant dollars",

hjust = 1, family = "serif", size = 4) +

annotate("text", x = max(df$Year), y = max(df$Value)/1.08,

label = "5%", family = "serif", size = 4) +

scale_y_continuous(

breaks = seq(1, 6, 1),

labels = sprintf("$%s", seq(300, 400, 20))

) +

theme_minimal(base_family = "serif") +

theme(

axis.title = element_blank(),

axis.ticks = element_blank(),

panel.grid.minor = element_blank(),

panel.grid.major.x = element_blank(),

axis.text.x = element_text(size = 10),

axis.text.y = element_text(size = 10)

)






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