Sentence examples for sample selection the from inspiring English sources

Decisions related to study design include sample selection, the timing of symptom measures, and the characteristics of symptom interventions.

In the presence of sample selection, the observed outcome does not represent a random sample of its population.

This model includes two equations, one for the binary indicator of the sample selection (the selection equation) and another for the ordered variable.

In the final stage of sample selection, the number of teachers that were interviewed was determined by a proportional sampling method.

While the report authors did say that the resumes they used were, "not necessarily all [from] job seekers," the report describes the source data as, "… information derived from millions of resumes of people looking for work across the U.S". And in the report appendix section entitled "resume sample selection," the report uses the term "job seekers" to describe the resumes three times.

In their framework this amounts to testing that differences in expectations in successive periods cannot be forecast.22 Using instrumental variables for measurement error and accounting for sample selection the authors cannot reject the rational expectations hypothesis.

After the samples selection, the radio of positive samples to negative samples is about 1 : 2 in the training set and 1 : 3 in the test set.

The validation study was conducted via the web, which raises some potential bias in the sample selection for the study.

These facts warrant the sample selection of the present study.

The sample selection of the external survey was based on convenience sampling, which has limitations for ensuring external validity.

" Data and sample selection" presents the data and the sample selection methods, followed by " Methods" with the econometric methods used for the estimation of different models.