Description Usage Arguments Details Value Author(s) See Also Examples
Calculate the matrix of agetoage factors
(also called "reporttoreport" factors, or "link ratios")
for an object of class triangle
.
1 2 
Triangle 
a loss "triangle". Must be a 
NArow.rm 

colname.sep 
a 
colname.order 
"ascending" indicates that the less mature age comes first in the column labels of the ata matrix 
ata
constructs a matrix of agetoage (ata) factors resulting
from a loss "triangle" or a matrix
.
Simple averages and volume weighted averages are saved as
"smpl" and "vwtd" attributes, respectively.
A matrix
with "smpl" and "vwtd" attributes.
Daniel Murphy
summary.ata
, print.ata
and chainladder
1 2 3 4 5 6 7 8 9 10 11 12  ata(GenIns)
# Volume weighted average agetoage factor of the "RAA" data
y < attr(ata(RAA), "vwtd")
y
# "To ultimate" factors with a 10% tail
y < rev(cumprod(rev(c(y, 1.1))))
names(y) < paste(colnames(RAA), "Ult", sep="")
y
## Label the development columns in "ratiotype" format
ata(RAA, colname.sep=":", colname.order="desc")

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