DS Week 5
Data Science for Social Science Research
Najah
Ashoka University
RMarkdown up and running?
Gapmidner Replication
ggplot Visual
Code
ggplot(gm_07, aes(x = gdpPercap, y = lifeExp, fill = continent, size = pop ))+
geom_point(alpha = 0.5, shape = 21, color = "black")+
#scale_x_log10()+
scale_x_continuous(
labels = scales::dollar_format(),
breaks = scales::log_breaks(n = 10)
) +
coord_trans(x = 'log10') +
scale_size_continuous(
labels = scales::number_format(scale = 1e-6, suffix = "m"),
breaks = seq(1e8,1e9, 2e8),
range = c(1,20)
)+
labs(
title = "An Example of Hans Rosling's Gapminder using ggplot",
x = "GDP per Capita (log scale)",
y = "Life Expectancy at Birth",
size = "Population",
color = NULL,
caption = "Source: Gapminder"
) +
theme_bw() +
annotate("text", x = 3000, y = 60, hjust = 0.5,
size = 40, color = "#999999",
label = "2007", alpha = .3,
family = "Helvetica Neue") Visualing step by step
Data
1 Start with the dataframe
1.1 Map X & Y axis
1.2 Represent each observation with a point
1.3 Transform the co-ordinates
1.4 Scale the x axis
Add dollar sign
specify the log breaks
1.5 Specify the breaks and ranges
1.6 Add labels
1.7 Add a theme
1.8 Annotate
Final output
DS Week 5 Data Science for Social Science Research Najah Ashoka University