The extension of records at monthly, weekly or daily time steps at a short-record gauge from another continuously measured gauge is termed “record extension”. Ordinary least squares regression (OLS) of the flows, or any hydrological or water quality variable, is a traditional and still...

We consider equalities between the ordinary least squares estimator (<InlineEquation ID="IEq1"> <EquationSource Format="TEX">$$\mathrm {OLSE} $$</EquationSource> </InlineEquation>), the best linear unbiased estimator (<InlineEquation ID="IEq2"> <EquationSource Format="TEX">$$\mathrm {BLUE} $$</EquationSource> </InlineEquation>) and the best linear unbiased predictor (<InlineEquation ID="IEq3"> <EquationSource Format="TEX">$$\mathrm {BLUP} $$</EquationSource> </InlineEquation>) in the general linear model <InlineEquation ID="IEq4"> <EquationSource Format="TEX">$$\{ \mathbf y , \mathbf X \varvec{\beta }, \mathbf...</equationsource></inlineequation></equationsource></inlineequation></equationsource></inlineequation></equationsource></inlineequation>

Demand functions for rice in Colombia and Venezuela, estimated by means of ordinary least square, were unsatisfactory because of problems with multicollinearity An alternative approach, principal components regression, was tried Results showed that principal components regression estimates were...

A multicrop model of Canadian demand for US crops is estimated with Zellner's seemingly unrelated regression (SUR), which corrects for the distortion problem in contemporaneous correlation, and with ordinary least squares (OLS), which ignores the problem Comparing inference parameters, trade...

This paper proposes a methodology to resolve the problems that result from using a combination of objective and subjective information in evaluating urban quality of life. The paper further suggests techniques to identify and rank issues of potential importance for urban dwellers. In order to...

This study sets out to investigate the relationship between foreign aid and national income in Ghana, between 1980 and 2005 using fully modified ordinary least squares (FM-OLS). This is to ascertain whether foreign aid receipts have had significant impact on the level of Ghana's gross national...

This study seeks to examine the relationship between the structure of the start-up capital and the survival of companies. The study considers the structure of the start-up capital as the share of the managerial capital (share of the capital held by the entrepreneur and his family), the share of...

Necessary and sufficient conditions for the equality of ordinary least squares and generalized least squares estimators in the linear regression model with firstorder spatial error processes are given.

Conditions for the consistency of the estimator s2 of the variance of the disturbance a2u under first-order spatial error processes are given.

Bounds for the efficiency of ordinary least squares relative to generalized least squares estimator in the linear regression model with first order spatial error process are given.