Location helper for targeting the column labels
The cells_column_labels() function is used to target the table's column
labels when applying a footnote with tab_footnote() or adding custom style
with tab_style(). The function is expressly used in each of those
functions' locations argument.
cells_column_labels(columns)
columns |
The names of the column labels that are to be targeted. |
When using any of the location helper functions with an appropriate function
that has a locations argument, multiple locations can be targeted by
enclosing several cells_*() helper functions in a list(). The following
helper functions can be used to target cells (roughly in order from the top
to the bottom of a table):
cells_title(): targets the table title or the table subtitle
depending on the value given to the groups argument ("title" or
"subtitle").
cells_stubhead(): targets the stubhead location, a cell of which is
only available when there is a stub; a label in that location can be created
by using the tab_stubhead() function.
cells_column_spanners(): targets the spanner column labels, which
appear above the column labels.
cells_column_labels(): targets the column labels.
cells_row_groups(): targets the row group labels in any available row
groups using the groups argument.
cells_stub(): targets row labels in the table stub using the rows
argument.
cells_body(): targets data cells in the table body using
intersections of columns and rows.
cells_summary(): targets summary cells in the table body using the
groups argument and intersections of columns and rows.
cells_grand_summary(): targets cells of the table's grand summary
using intersections of columns and rows
A list object with the classes cells_column_labels and
location_cells.

7-8
Other Helper Functions:
adjust_luminance(),
cell_borders(),
cell_fill(),
cell_text(),
cells_body(),
cells_column_spanners(),
cells_grand_summary(),
cells_row_groups(),
cells_stubhead(),
cells_stub(),
cells_summary(),
cells_title(),
currency(),
default_fonts(),
escape_latex(),
google_font(),
gt_latex_dependencies(),
html(),
md(),
pct(),
px(),
random_id()
# Use `sza` to create a gt table; add a
# header and then add footnotes to the
# column labels with `tab_footnote()` and
# `cells_column_labels()` in `locations`
tab_1 <-
sza %>%
dplyr::filter(
latitude == 20 & month == "jan" &
!is.na(sza)
) %>%
dplyr::select(-latitude, -month) %>%
gt() %>%
tab_footnote(
footnote = "True solar time.",
locations = cells_column_labels(
columns = vars(tst)
)
) %>%
tab_footnote(
footnote = "Solar zenith angle.",
locations = cells_column_labels(
columns = vars(sza)
)
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