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Journal : Statistika

PARAMETER DETERMINATION INMANUFACTURING PROGRESS CURVE WITH THREE POINTS OF DATA Hennie Husniah; Asep K. Supriatna
STATISTIKA: Forum Teori dan Aplikasi Statistika Vol 4, No 2 (2004)
Publisher : Program Studi Statistika Unisba

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29313/jstat.v4i2.883

Abstract

In this paper we discus a method to find the values of parameters in a manufacturing progress curve based on three pointsof data. In general to find better parameter estimation we need a lot of data. However, in some circumstances, the numbersof data are limited or even scarce, especially in the beginning of a manufacturing process. For this reason, we develop asimple method to determine the values of parameters if only three data are available. The curve we are dealing with is aninverse-like sigmoid that can describe a learning process in the beginning phase and has a lower bound in the long-termphase, hence a reasonably realistic curve.