Make a table of the number of penguins of each species observed on each island. Format with good column headings and a title.
penguins |> rename(Species = species) |>
count(Species, island) |>
pivot_wider(names_from = island,
values_from = n,
values_fill = 0) |>
kable(caption = "Number of individuals of each species observed on three island near the Antarctic peninsula.",
# col.names = c("Species", "Biscoe", "Dream", "Torgersen")
) |>
add_header_above(c(" " = 1, "Island" = 3)) |>
kable_styling(full_width = FALSE)
| Species | Biscoe | Dream | Torgersen |
|---|---|---|---|
| Adelie | 44 | 56 | 52 |
| Chinstrap | 0 | 68 | 0 |
| Gentoo | 124 | 0 | 0 |
Adapt the example above to work with tables of your design, for example using other datasets discussed in the class.
gapminder |>
filter(country == "Canada" | country == "Iran")
## # A tibble: 24 × 6
## country continent year lifeExp pop gdpPercap
## <fct> <fct> <int> <dbl> <int> <dbl>
## 1 Canada Americas 1952 68.8 14785584 11367.
## 2 Canada Americas 1957 70.0 17010154 12490.
## 3 Canada Americas 1962 71.3 18985849 13462.
## 4 Canada Americas 1967 72.1 20819767 16077.
## 5 Canada Americas 1972 72.9 22284500 18971.
## 6 Canada Americas 1977 74.2 23796400 22091.
## 7 Canada Americas 1982 75.8 25201900 22899.
## 8 Canada Americas 1987 76.9 26549700 26627.
## 9 Canada Americas 1992 78.0 28523502 26343.
## 10 Canada Americas 1997 78.6 30305843 28955.
## # ℹ 14 more rows
gapminder |>
filter(country == "Canada" | country == "Iran" | country == "China")
## # A tibble: 36 × 6
## country continent year lifeExp pop gdpPercap
## <fct> <fct> <int> <dbl> <int> <dbl>
## 1 Canada Americas 1952 68.8 14785584 11367.
## 2 Canada Americas 1957 70.0 17010154 12490.
## 3 Canada Americas 1962 71.3 18985849 13462.
## 4 Canada Americas 1967 72.1 20819767 16077.
## 5 Canada Americas 1972 72.9 22284500 18971.
## 6 Canada Americas 1977 74.2 23796400 22091.
## 7 Canada Americas 1982 75.8 25201900 22899.
## 8 Canada Americas 1987 76.9 26549700 26627.
## 9 Canada Americas 1992 78.0 28523502 26343.
## 10 Canada Americas 1997 78.6 30305843 28955.
## # ℹ 26 more rows
gapminder |>
filter(country %in% c("Canada", "Iran", "China"))
## # A tibble: 36 × 6
## country continent year lifeExp pop gdpPercap
## <fct> <fct> <int> <dbl> <int> <dbl>
## 1 Canada Americas 1952 68.8 14785584 11367.
## 2 Canada Americas 1957 70.0 17010154 12490.
## 3 Canada Americas 1962 71.3 18985849 13462.
## 4 Canada Americas 1967 72.1 20819767 16077.
## 5 Canada Americas 1972 72.9 22284500 18971.
## 6 Canada Americas 1977 74.2 23796400 22091.
## 7 Canada Americas 1982 75.8 25201900 22899.
## 8 Canada Americas 1987 76.9 26549700 26627.
## 9 Canada Americas 1992 78.0 28523502 26343.
## 10 Canada Americas 1997 78.6 30305843 28955.
## # ℹ 26 more rows