Get access to all lessons in this course.
- Get Data Into the Right Format to Create your First Table
- Use better column names and a title
- Align columns
- Use groups instead of repetitive columns
- Format your table's numbers
- Add summaries
- Add additional horizontal lines
- Add background colors
- Change the text appearance
- Change cell properties
- Export Your Tables
- Heat map columns
- Adding Charts with Flextable
- Add your own ggplot
- Case Study
Making Beautiful Tables with R
Add summaries
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This lesson is called Add summaries, part of the Making Beautiful Tables with R course. This lesson is called Add summaries, part of the Making Beautiful Tables with R course.
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It’s always good to not just show the data, but to also to show a summary of the data. In this case, it could be something as simple as the maximum number of penguins of a specific species living on an island over the years.
maximum_summary <- penguin_counts_wider |>
group_by(island) |>
summarise(across(
.cols = -year,
.fns = max
)) |>
mutate(year = 'Maximum')
total_summary <- penguin_counts_wider |>
group_by(island) |>
summarise(across(
.cols = -year,
.fns = sum
)) |>
mutate(year = 'Total')
bind_rows(penguin_counts_wider, maximum_summary, total_summary) |>
mutate(island = paste('Island: ', island)) |>
arrange(island, year) |>
as_grouped_data(groups = 'island') |>
as_flextable(hide_grouplabel = TRUE) |>
set_header_labels(
island = 'Island',
year = '',
Adelie_female = 'Female',
Adelie_male = 'Male',
Chinstrap_female = 'Female',
Chinstrap_male = 'Male',
Gentoo_female = 'Female',
Gentoo_male = 'Male'
) |>
add_header_row(
values = c('', 'Adelie', 'Chinstrap', 'Gentoo'),
colwidths = c(1, 2, 2, 2)
) |>
add_header_lines(
values = c('Penguins in the Palmer Archipelago', 'Data is courtesy of the {palmerpenguins} R package')
) |>
align(i = 3, align = 'center', part = 'header') |>
colformat_num(i = ~ (is.na(island)), na_str = '-') |>
align(
i = ~ (year %in% 2007:2009),
j = 'year',
align = 'right'
) |>
autofit()Your Turn
For each continent, add the average and maximum life expectancy for each year to the table. Your table should look like this:
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