REGRESSION OF A MODEL ON REAL-SYSTEM OUTPUT - AN INVALID TEST OF MODEL VALIDITY

被引：52

作者：

HARRISON, SR

机构：

[1] Department of Economics, The University of Queensland

来源：

AGRICULTURAL SYSTEMS | 1990年 / 34卷 / 03期

关键词：

D O I：

10.1016/0308-521X(90)90083-3

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

Statistical tests of validity of farming systems models may be inappropriate for a number of reasons. A specific example is the F test for zero intercept and unit slope; this test has intuitive appeal, but bias in parameter estimates can lead to rejection of a valid model. It is suggested that descriptive statistics and subjective tests be used to build up confidence in a model as it proceeds through a number of prototypes. © 1990.

引用

页码：183 / 190

页数：8

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