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A Computer Program for Nonlinear Regression Using Least Squares.

Authors
Langland-RT; Yabe-NN
Source
NTIS: PB 237 036 :50 pages
Link
NIOSHTIC No.
10000809
Abstract
The Bureau of Mines, at its Denver, Colorado, Research Center, has developed a computer program to solve nonlinear regression problems. The program is written in a general form so that regardless of the functional relationship assumed, the unknown parameters may be evaluated by the Newton-Raphson Method of iteration. Variances and covariances of the parameters are derived, based on the propagation of errors. A creep function is established from shale test data as an example of program utility. Program accuracy is compared with the accuracies of other programs in present-day use.
Publication Date
19740101
Document Type
IH; Information Circular;
Fiscal Year
1974
NTIS Accession No.
PB-237036
NTIS Price
A04
Identifying No.
IC 8649
NIOSH Division
DRC;
Source Name
NTIS: PB 237 036
State
CO;
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