Program 09

Que: create multiple histogram using ggplot2::facet_wrap() to visualize how a variable (eg sepal.lenght) is distrbuted across diffrent groups(eg, species) in built in r dataset

# Load necessary library
library(ggplot2)

# Use iris dataset
data(iris)
head(iris)

  Sepal.Length Sepal.Width Petal.Length Petal.Width Species
1          5.1         3.5          1.4         0.2  setosa
2          4.9         3.0          1.4         0.2  setosa
3          4.7         3.2          1.3         0.2  setosa
4          4.6         3.1          1.5         0.2  setosa
5          5.0         3.6          1.4         0.2  setosa
6          5.4         3.9          1.7         0.4  setosa

# Create histogram of Sepal.Length for each species
ggplot(iris, aes(x = Sepal.Length)) +
  geom_histogram(binwidth = 0.3, fill = "green", color = "grey") +
  facet_wrap(~ Species) +
  labs(
    title = "Distribution of Sepal Length by Species",
    x = "Sepal Length",
    y = "Count"
  ) +
  theme_minimal()