Varying - coefficient logistic model estimation and its application 模型估計及其應用
Logistic model of labor force transferring and its stability 離散模型及其穩(wěn)定性分析
Application of logistic model in roc curve analysis 分析中的應用
Logistic model applied in the forcast of the totol population number in heilongjiang province 模型在黑龍江省總人口預測中的應用
Logistic model is one of core theory in population ecology . it almost the only model to describle population growth for about one hundred Logistic模型是種群生態(tài)學的核心理論之一。 100多年來,它幾乎是描述種群s型增長的唯一數(shù)學模型。
Spss 10 . 0 software is used to do factor analysis , discriminant analysis , cluster analysis and logistic model by using those investigated data 筆者利用spss10 0統(tǒng)計軟件中的因子分析、判別分析、聚類分析和logistic模型對調查數(shù)據(jù)進行了分析。
Then the author choose samples from the listed companies which are customers of banks , and adopted an empirical approach by using the kmv model and logistic model 在銀行與企業(yè)的借貸交易中,銀行處于信息劣勢,企業(yè)比銀行更了解自身的經(jīng)營能力、管理水平以及借款項目的風險特征。
Our results include almost all nonautonomous single - specie harvesting models with periodic coefficients ; for example : logistic model , gompertz model . gilpin model . aynala model 其所得結果包括了許多常見的具周期系數(shù)的非自治收獲模型,如: logistic型, gompertz型, gilpin型, aynala型等。
Results : all the results were in accordance with the request of unidimensionality , the data fitted three - parameter logistic model , and finally 52 items were selected to constitute the formal test 結果:四套試卷均符合單維性要求,基本擬合三參數(shù)邏輯斯蒂克模型,項目擬合度都在90 %左右,最終選取52個項目組成正式測驗。
It was known to all that p . f . verhulst and a . l . j . quetelet who proposed the classical logistic model in 1838 , and then t . g . hallam and c . e . clark mended the classical logistic model in 1993 Clark修改了經(jīng)典的logistic方程近些年來,許多專家和學者對logistic方程中的兩個參數(shù):內稟增長率r和環(huán)境的最大容納量k從不同方面進行完善