Description Usage Arguments Value Author(s) Examples
Computes numbers at risk, numbers of events at each unique event time within levels of a blocking factor
1 |
formula |
Should be a formula of the form |
data |
a dataframe |
subset |
you can subset the analysis via logical expression in variables in the dataframe |
na.action |
pass a method for handling |
A dataframe of 2*NLEV + 1
columns where NLEV
is the
number of levels of the factor block
.
time |
The sorted vector of unique event times from all blocks |
nrisk1 |
The number at risk in block level 1 at each event time |
nevent1 |
The number of events in block level 1 at each event time |
... |
|
nriskNLEV |
The number at risk in block level NLEV at each event time |
neventNLEV |
The number of events in block level NLEV at each event time |
Grant Izmirlian <izmirlian@nih.gov>
1 2 3 4 5 6 7 8 9 10 |
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