Counts test results by a grouping variable (Created Date
, by default) and
adds some useful columns
Arguments
- data
A
data.frame()
ortibble()
.- by
A string matching one of the column names of
data
; the default is"Created Date"
.
Value
an object of the same type as data
,
with the following columns added:
n tests
n with results
n positive
% positive
period
The output will be arranged in ascending order of the variable
identified by the by
argument;
that is, it will be arranged in chronological order of Created Date
,
by default.