نتایج جستجو برای: two phase sampling
تعداد نتایج: 3038777 فیلتر نتایج به سال:
the purpose of this two-phase, sequential mixed methods study was to find out whether there were any decencies between male and female ma students’ theses regarding the common features of academic writing such as syntactic complexity, means of integrating cited information, and organizing arguments. i chose 10 male written theses and 15 female written theses in tefl and linguistics. in the firs...
the main objective in sampling is to select a sample from a population in order to estimate some unknown population parameter, usually a total or a mean of some interesting variable. a simple way to take a sample of size n is to let all the possible samples have the same probability of being selected. this is called simple random sampling and then all units have the same probability of being ch...
Approach: The approach presented here uses the results psychophysical models to provide constraints on a statistical sampling procedure. In a two-phase process, the input texture is first analyzed by measuring the joint occurrence, across multiple resolutions, of several of the features used in psychophysical models. In the second phase, a new texture is synthesized by sampling successive spati...
Suppose that for each of a number of subjects, we measure a response y and a vector of covariates x, in order to estimate the parameters β of a regression model which describes the conditional distribution of y given x. If we have sampled directly from the conditional distribution, or even the joint distribution, we can estimate β without knowledge of the distribution of the covariates. In the ...
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