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987  Articles
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 We consider the problem of the estimation of the mean squared error (MSE) of some domain mean predictor for Fay-Herriot model. In the simulation study we analyze properties of eight MSE estimators including estimators based on the jackknife method (... see more

One of the major problem facing the data modelling at social area is multicollinearity. Multicollinearity can have significant impact on the quality and stability of the fitted regression model. Common classical regression technique by using Least Squares... see more

This paper offers sufficient conditions for the Miller–Madow estimator and the jackknife estimator of entropy to have respective asymptotic normalities on countably infinite alphabets.

Uji normalitas merupakan syarat untuk semua uji statistik parametrik. Pada kasus tertentu dijumpai sebaran data yang tidak normal, yaitu distribusi yang tidak simetris akan memiliki nilai rata-rata, median, dan modus yang tidak sama besar . Dalam hal ini ... see more

Ordinary least square is a parameter estimations for minimizing residual sum of squares. If the multicollinearity was found in the data, unbias estimator with minimum variance could not be reached. Multicollinearity is a linear correlation between indepen... see more

Assessing fish species richness at the scale of an entire watershed or multiple watersheds is important when designing conservation areas and maintaining aquatic biodiversity. Estimating biodiversity at this scale requires considering the effects of habit... see more

The ecology of bat assemblages in savanna ecosystems is poorly known. Studies on this subject are scarce in the Colombian Orinoquía; some authors have argued that this region shows a low diversity of bat species relative to other natural regions of Colomb... see more

The ecology of bat assemblages in savanna ecosystems is poorly known. Studies on this subject are scarce in the Colombian Orinoquía; some authors have argued that this region shows a low diversity of bat species relative to other natural regions of Colomb... see more

This study evaluated the seasonality of Sphingidae spp. in two areas of savannah, in the eastern Brazilian Amazon, sampled for one year (June, 2014 through May, 2015) with the aid of Pennsylvania light traps placed at four sampling points. Data on fauna w... see more

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