作者: John F. McDonald , Robert A. Moffitt
DOI: 10.2307/1924766
关键词: Point (geometry) 、 Value (mathematics) 、 BETA (programming language) 、 Econometrics 、 Variables 、 Limit (mathematics) 、 Tobit model 、 Econometric model 、 Mathematics 、 Decomposition (computer science)
摘要: … As can be seen from equation (7), this is true only when X equals infinity, in which case F(z) = 1 and f(z) = 0. This will of course not hold at the mean of the sample or for any individual …