However, most service loads are far from constant amplitude loads, often resulting in large systematic errors in life predictions.
Fig. 3 Boxplots of estimation errors in life expectancy at birth obtained by the combination (7) of the classical and Mitra methods (the combined method, "Comb").
In Table 1, we also show the estimation errors in life expectancy e a at the beginning of the open age interval as a percent of the life expectancy from the corresponding full life table.
(5) Fig. 1 Estimation errors in life expectancy at birth obtained by methods: the classical method ("Clas")., extrapolation based on 20-years-long age base ("Extr")., Horiuchi-Coale method ("H.-C")., and Mitra method ("M").
Contrary to earlier reports by Horiuchi, Coale, and Mitra, we show that the two methods are consistent and useful in drastically reducing the estimation errors in life expectancy as compared to the conventional approaches, i.e., the classical open age interval model and extrapolation of the death rates.
Female populations, open age interval set at 75+ Fig. 2 Estimation errors in life expectancy at birth obtained by methods: the classical method ("Clas")., extrapolation based on 20-years-long age base ("Extr")., Horiuchi-Coale method ("H.-C")., and Mitra method ("M").
"You getting on all right?" The voice came from behind her, the question asked by the man she'd once been married to, and whom she'd thought of since as the error in her life.
How are they going to be able to give me more money?" The margin of error in her life was so slim, she felt, that any attempt to improve lives with ambitious new programs could only end up harming her.
Therefore, the relative error in remaining life expectancy e a obtained from the classical method shows the relative difference between the actual population death rate for the open age interval and the corresponding life table rate.
In this paper, we used the newly derived equation and achieved less than 20% error in N50 life for both designs, which is on par with Darveaux's equations when used for BGAs.
