Distribution of one variable

Exploratory Data Analysis in R

Andrew Bray

Assistant Professor, Reed College

Marginal distribution

table(comics$id)
No Dual  Public  Secret Unknown 
   1511    6067    7927       9
tab_cnt <- table(comics$id, comics$align)
tab_cnt
         Bad Good Neutral
No Dual  474  647     390
Public  2172 2930     965
Secret  4493 2475     959
Unknown    7    0       2
Exploratory Data Analysis in R

Simple bar chart

ggplot(comics, aes(x = id)) +
  geom_bar()

ch1_3.002.png

Exploratory Data Analysis in R

Faceting

tab_cnt <- table(comics$id, comics$align)
tab_cnt 
         Bad Good Neutral
No Dual  474  647     390
Public  2172 2930     965
Secret  4493 2475     959
Unknown    7    0       2
Exploratory Data Analysis in R

Faceted bar charts

ggplot(comics, aes(x = id)) +
  geom_bar() +
  facet_wrap(~align)

ch1_3.008.png

Exploratory Data Analysis in R

Faceting vs. stacking

ch1_3.010.png

Exploratory Data Analysis in R

Faceting vs. stacking

ch1_3.011.png

Exploratory Data Analysis in R

Faceting vs. stacking

ch1_3.012.png

Exploratory Data Analysis in R

Faceting vs. stacking

ch1_3.013.png

Exploratory Data Analysis in R

Faceting vs. stacking

ch1_3.014.png

Exploratory Data Analysis in R

Pie chart vs. bar chart

ch1_3.016.png

Exploratory Data Analysis in R

Pie chart vs. bar chart

ch1_3.017.png

Exploratory Data Analysis in R

Pie chart vs. bar chart

ch1_3.018.png

Exploratory Data Analysis in R

Let's practice!

Exploratory Data Analysis in R

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