summarize {ir} | R Documentation |
Summarize each group in a ir
object to fewer rows
Description
Summarize each group in a ir
object to fewer rows
Usage
summarize.ir(.data, ..., .groups = NULL)
summarise.ir(.data, ..., .groups = NULL)
Arguments
.data |
An object of class |
... |
< The value can be:
|
.groups |
Grouping structure of the result.
When
In addition, a message informs you of that choice, unless the result is ungrouped,
the option "dplyr.summarise.inform" is set to |
Value
.data
with summarized columns. If the spectra
column is dropped
or invalidated (see ir_new_ir()
), the ir
class is dropped, else the
object is of class ir
.
Source
See Also
Other tidyverse:
arrange.ir()
,
distinct.ir()
,
extract.ir()
,
filter-joins
,
filter.ir()
,
group_by
,
mutate-joins
,
mutate
,
nest
,
pivot_longer.ir()
,
pivot_wider.ir()
,
rename
,
rowwise.ir()
,
select.ir()
,
separate.ir()
,
separate_rows.ir()
,
slice
,
unite.ir()
Examples
## summarize
# select in each sample_type groups the first spectrum
ir_sample_data %>%
dplyr::group_by(sample_type) %>%
dplyr::summarize(spectra = spectra[[1]])