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This document includes documentations for legacy/unrecommended features in this package.
Unless there are significant differences between HTML/LaTeX, I will only keep one copy of documentation in HTML here since most of the functions in this packages share a very similar interface between their HTML and LaTeX ends.
library(kableExtra)
dt <- mtcars[1:5, 1:6]As the first function written in this package, the design of the
add_footnote function is not flexible enough to introduce
new features to this function. So I redesigned the footnote part and
created the footnote() function. add_footnote
will still be there for a while and be maintained because of its unique
feature to add page footnote to longtables.
Here are the old documentation for add_footnote.
You can also use add_footnote() function from this
package. You will need to supply a character vector with each element as
one footnote. You may select from number,
alphabet and symbol for different types of
notations. Example are listed below.
kable(dt, "html") %>%
kable_styling("striped") %>%
add_footnote(c("Footnote 1", "Have a good day."), notation = "alphabet")| mpg | cyl | disp | hp | drat | wt | |
|---|---|---|---|---|---|---|
| Mazda RX4 | 21.0 | 6 | 160 | 110 | 3.90 | 2.620 |
| Mazda RX4 Wag | 21.0 | 6 | 160 | 110 | 3.90 | 2.875 |
| Datsun 710 | 22.8 | 4 | 108 | 93 | 3.85 | 2.320 |
| Hornet 4 Drive | 21.4 | 6 | 258 | 110 | 3.08 | 3.215 |
| Hornet Sportabout | 18.7 | 8 | 360 | 175 | 3.15 | 3.440 |
| a Footnote 1 | ||||||
| b Have a good day. |
kable(dt, "html") %>%
kable_styling("striped") %>%
add_footnote(c("Footnote 1", "Have a good day."), notation = "number")| mpg | cyl | disp | hp | drat | wt | |
|---|---|---|---|---|---|---|
| Mazda RX4 | 21.0 | 6 | 160 | 110 | 3.90 | 2.620 |
| Mazda RX4 Wag | 21.0 | 6 | 160 | 110 | 3.90 | 2.875 |
| Datsun 710 | 22.8 | 4 | 108 | 93 | 3.85 | 2.320 |
| Hornet 4 Drive | 21.4 | 6 | 258 | 110 | 3.08 | 3.215 |
| Hornet Sportabout | 18.7 | 8 | 360 | 175 | 3.15 | 3.440 |
| 1 Footnote 1 | ||||||
| 2 Have a good day. |
kable(dt, "html") %>%
kable_styling("striped") %>%
add_footnote(c("Footnote 1", "Footnote 2", "Footnote 3"), notation = "symbol")| mpg | cyl | disp | hp | drat | wt | |
|---|---|---|---|---|---|---|
| Mazda RX4 | 21.0 | 6 | 160 | 110 | 3.90 | 2.620 |
| Mazda RX4 Wag | 21.0 | 6 | 160 | 110 | 3.90 | 2.875 |
| Datsun 710 | 22.8 | 4 | 108 | 93 | 3.85 | 2.320 |
| Hornet 4 Drive | 21.4 | 6 | 258 | 110 | 3.08 | 3.215 |
| Hornet Sportabout | 18.7 | 8 | 360 | 175 | 3.15 | 3.440 |
| * Footnote 1 | ||||||
| † Footnote 2 | ||||||
| ‡ Footnote 3 |
By design, add_footnote() will transform any
[note] to in-table footnote markers.
kable(dt, "html", caption = "Demo Table[note]") %>%
kable_styling("striped") %>%
add_header_above(c(" ", "Group 1[note]" = 3, "Group 2[note]" = 3)) %>%
add_footnote(c("This table is from mtcars",
"Group 1 contains mpg, cyl and disp",
"Group 2 contains hp, drat and wt"),
notation = "symbol")| mpg | cyl | disp | hp | drat | wt | |
|---|---|---|---|---|---|---|
| Mazda RX4 | 21.0 | 6 | 160 | 110 | 3.90 | 2.620 |
| Mazda RX4 Wag | 21.0 | 6 | 160 | 110 | 3.90 | 2.875 |
| Datsun 710 | 22.8 | 4 | 108 | 93 | 3.85 | 2.320 |
| Hornet 4 Drive | 21.4 | 6 | 258 | 110 | 3.08 | 3.215 |
| Hornet Sportabout | 18.7 | 8 | 360 | 175 | 3.15 | 3.440 |
| * This table is from mtcars | ||||||
| † Group 1 contains mpg, cyl and disp | ||||||
| ‡ Group 2 contains hp, drat and wt |
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They may not be fully stable and should be used with caution. We make no claims about them.
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