The correct answer is D.
<u>It is an observational study</u><u> because the researcher is </u><u>NOT</u><u> manipulating the explanatory variable</u>, whether a person drinks green tea or not, in order to study the effect of the value it takes, over the dependent variable: LDL cholesterol level.
<u>In opposition, experimental studies manipulate the explanatory variable</u> in order to assess the effects caused on the dependent variable by such deviance.
Domain adaptation is an area of computer imaginative and prescient, where our intention is to teach a neural community on a supplied dataset and cozy an excellent accuracy on the target dataset which is drastically extraordinary from the source dataset.
it's miles a subcategory of switch learning. In the domain model, the source and target records have equal characteristic space however from one-of-a-kind distributions, whilst transfer gaining knowledge of consists of cases where goal function space isn't like supply characteristic area.
The authors contributed similarly. 1 We define supervised area variation as having categorized facts in each source and. target, unsupervised domain variation as having classified statistics in the handiest source, and semi-supervised area adaptation as having classified data in supply and both classified and unlabeled records in goal.
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