Sunday, December 21, 2008

Journal Economics

Disini saya posting beberapa jurnal tentang optimal control theory dalam finance

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Bootstrapping

In statistics, bootstrapping is a modern, computer-intensive, general purpose approach to statistical inference, falling within a broader class of resampling methods.

Bootstrapping is the practice of estimating properties of an estimator (such as its variance) by measuring those properties when sampling from an approximating distribution. One standard choice for an approximating distribution is the empirical distribution of the observed data. In the case where a set of observations can be assumed to be from an independent and identically distributed population, this can be implemented by constructing a number of resamples of the observed dataset (and of equal size to the observed dataset), each of which is obtained by random sampling with replacement from the original dataset.

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Tuesday, December 16, 2008

Structural Equation Modeling

What is Structural Equation Modeling?



Structural equation modeling, or SEM, is a very general,

chiefly linear, chiefly cross-sectional statistical modeling

technique.Factor analysis, path analysis and regression all

represent special cases of SEM.SEM is a largely confirmatory,

rather than exploratory, technique.That is, a researcher are

more likely to use SEM to determine whether a certain

model is valid.,rather than using SEM to "find" a suitable

model--although SEM analyses often involve a certain exploratory

element.In SEM, interest usuallyfocuses on latent constructs--abstract

psychological variables like "intelligence"or "attitude

toward thebrand"--rather than on the manifest variables

used to measure these constructs.

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Wednesday, December 3, 2008

Statistics Jobs

Isi dengan info lowongan kerja di bidang statistics

Software Statistics

Please isi dengan berbagai diskusi tentang software statistics

Statistics

hello blogs ini berisi diskusi tentang statistics baik materi, software atau apapun yang berhubungan dengan statistics