a) newTimeSlices b) createTimeSlices c) binTimeSlices d) none of the mentioned Answer: b Explanation: Rolling forecasting origin ...
View QuestionPoint out the wrong statement.
a) Simple random sampling of time series is probably the best way to resample times series data. b) ...
View QuestionWhich of the following can be used to generate balanced cross–validation groupings from a set of data?
a) createFolds b) createSample c) createResample d) none of the mentioned Answer: a Explanation: createResample can be ...
View QuestionWhich of the following analysis is a statistical process for estimating the relationships among variables?
a) Causal b) Regression c) Multivariate d) All of the mentioned Answer: b Explanation: Regression models provide ...
View QuestionHow many outcomes are possible with bernoulli trial?
a) 2 b) 3 c) 4 d) None of the mentioned Answer: a Explanation: Bernoulli trial is ...
View QuestionWhich of the following is example use of Poisson distribution?
a) Analyzing contingency table data b) Modeling web traffic hits c) Incidence rates d) All of the mentioned
View QuestionPoint out the wrong statement.
a) Asymptotics are used for inference usually b) Adding squared terms makes it continuously differentiable at the knot ...
View QuestionCollection of exchangeable binary outcomes for the same covariate data are called _______ outcomes.
a) random b) direct c) binomial d) none of the mentioned Answer: c Explanation: The multivariate regression ...
View QuestionWhich of the following component is involved in generalized linear models?
a) An exponential family model for the response b) A systematic component via a linear predictor c) A ...
View QuestionPoint out the wrong statement.
a) Additive response models don’t make much sense if the response is discrete, or strictly positive b) Transformations ...
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