summary.Lexis {Epi} | R Documentation |
A two-way table of records and transitions classified by states
(lex.Cst
and lex.Xst
), as well the risk time in each state.
## S3 method for class 'Lexis': summary( object, simplify=TRUE, scale=1, ... ) ## S3 method for class 'summary.Lexis': print( x, ..., digits=2 )
object |
A Lexis object. |
x |
A summary.Lexis object. |
simplify |
Should rows with 0 follow-up time be dropped? |
scale |
Scaling factor for the rates. The calculated rates are multiplied by this number. |
digits |
How many digits should be used for printing? |
... |
Other parameters - ignored |
An object of class summary.Lexis
, a list with two components,
Transitions
and Rates
, each one
a matrix with rows classified by states where persons spend time, and
columns classified by stated to which persons transit. The Transitions
contains number of transitions and
has two extra columns of total number events and total risk time attached.
The Rates
contians the transitions rates.
Bendix Carstensen, bxc@steno.dk
data( nickel ) # Lung cancer deaths and other deaths are coded 1 and 2 nic <- Lexis( data=nickel, entry=list(age=agein), exit=list(age=ageout,cal=ageout+dob,tfh=ageout-age1st), exit.status=factor( (icd > 0) + (icd %in% c(162,163)), labels=c("Alive","Other","Lung") ) ) str( nic ) head( nic ) summary( nic )