fn
for info_snippet()
: get the highest value from a columnThe snip_lowest()
function can be used as an info_snippet()
function
(i.e., provided to fn
) to get the highest numerical, time value, or
alphabetical value from a column in the target table.
snip_highest(column)
The name of the column that contains the target values.
A formula needed for info_snippet()
's fn
argument.
3-8
Other Information Functions:
info_columns()
,
info_section()
,
info_snippet()
,
info_tabular()
,
snip_list()
,
snip_lowest()
,
snip_stats()
# NOT RUN {
# Generate an informant object, add
# a snippet with `info_snippet()`
# and `snip_highest()` (giving us a
# method to get the highest value in
# column `a`); define a location for
# the snippet result in `{ }` and
# then `incorporate()` the snippet
# into the info text
informant <-
create_informant(
read_fn = ~ small_table,
tbl_name = "small_table",
label = "An example."
) %>%
info_columns(
columns = "a",
`Highest Value` = "Highest value is {highest_a}."
) %>%
info_snippet(
snippet_name = "highest_a",
fn = snip_highest(column = "a")
) %>%
incorporate()
# We can print the `informant` object
# to see the information report
# }
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