GENERALIZED ADDITIVE-MODELS IN PLANT ECOLOGY

被引：535

作者：

YEE, TW

MITCHELL, ND

机构：

[1] Department of Mathematics and Statistics, University of Auckland, Auckland, Private Bag

[2] Department of Botany, University of Auckland, Auckland, Private Bag

来源：

JOURNAL OF VEGETATION SCIENCE | 1991年 / 2卷 / 05期

关键词：

ADDITIVE MODEL; CASE-CONTROL STUDY; DIRECT GRADIENT ANALYSIS; GAUSSIAN LOGIT CURVE; GENERALIZED LINEAR MODEL (GLM); LOGISTIC REGRESSION; PLANT SPECIES DISTRIBUTION; PLANT SPECIES-CLIMATE RELATIONSHIP; RESPONSE CURVE; SMOOTHER;

D O I：

10.2307/3236170

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Generalized additive models (GAMs) are a non-parametric extension of generalized linear models (GLMs). They are introduced here as an exploratory tool in the analysis of species distributions with respect to climate. An important result is that the long-debated question of whether a response curve, in one dimension, is actually symmetric and bellshaped or not, can be tested using GAMs. GAMs and GLMs are discussed and are illustrated by three examples using binary data. A grey-scale plot of one of the fits is constructed to indicate which areas on a map seem climatically suitable for that species. This is useful for species introductions. Further applications are mentioned.

引用

页码：587 / 602

页数：16

共 71 条

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