JSTOR Daily

Estimating the parameters of a 3-D root distribution function from root observations with the trench profile method: case study with simulated and field-observed root data

Background and aims Root length density (RLD) is a parameter that is difficult to measure, but crucial to estimate water and nutrient uptake by plants. In this study a novel approach is presented to ...
JSTOR Daily

Estimation of states and parameters of multi-axle distributed electric vehicle based on dual unscented Kalman filter

Distributed electric drive technology has become an important trend because of its ability to enhance the dynamic performance of multi-axle heavy vehicle. This article presents a joint estimation of ...
Simon Fraser University

Estimation Methods

A brief description of the methods used by the SYSLIN procedure follows. For more information on these methods, see the references at the end of this chapter. There are two fundamental methods of ...
Risk

Estimating correlation parameters in credit portfolio models under time-varying and nonhomogeneous default probabilities

Since the development of the first credit portfolio models at the end of the last century (eg, CreditMetrics by JP Morgan and CreditRisk+ by Credit Suisse First Boston), the estimation of correlation ...
International Monetary Fund

Estimating Parameters of Short-Term Real Interest Rate Models

This paper sheds light on a narrow but crucial question in finance: What should be the parameters of a model of the short-term real interest rate? Although models for the nominal interest rate are ...
Simon Fraser University

Input Data Sets

For FIT tasks, the DATA= option specifies which input data set to use in estimating parameters. Variables in the model program are looked up in the DATA= data set and, if found, their attributes (type ...