In Example 7.5 (attitudes to working mothers) compare inferences from the residuals Wi − Xiβ with those based on Monte Carlo estimates of the conditional predictive ordinates (harmonic means of the sampled normal likelihoods for each subject). In Example 7.5 apply an ordered logistic model by data augmentation by direct sampling from a logistic and by … Read more

In Example 11.6 (Indonesian rice farm data) assess gain from introducing AR1 errors (in addition to unstructured errors) in both random and fixed effects bi models. Also find the posterior probabilities that farms 1 to 171 are the best – in terms of having highest bi after allowing for inputs. Which farm has the highest probability of … Read more

In Example 13.2 compare a 5-point discrete mixture on the log-logistic shape parameter with the variable scale model to downweight aberrant cases, namely ui ∼ L(ηi, 1/(κθi)) where θi are gamma with mean 1, and ui = log(ti). Commuter delay in work-to-home trips Washington et al. (2003) consider the durations of delay in work-to-home trips for 96 Seattle … Read more

Suppose a binary response has true prevalence Pr(Y = 1) = π but that observed responses are subject to misclassification with probabilities α0 = Pr(y = 1|Y = 0), and α1 = Pr(y = 0|Y = 1). Assuming α0 = α1 = α, state the total probability P(yi = 1) in terms of the true prevalence probabilities P(Y = 1) … Read more

Project: Section 1.3 focuses on using unlabeled, unrooted trees to model RNA secondary structure. However, rooted and/or labeled trees can also be used to model important aspects of RNA secondary structure. Explore this idea and how it affects the estimates of the number of possible RNA secondary structure techniques. As part of this exploration, consider … Read more

Project: We also define here a biologically motivated statistic called the pseudoknot number pknot(M). A pseudoknot occurs in a strand of RNA when the strand folds on itself and forms secondary bonds between nucleotides, and then the same strand wraps around and forms secondary bonds again. However, when that pseudoknot has several nucleotides bonded in … Read more

We have learned that organizational change is a process rather than an event. It often starts with knowing what to change, continues through how to change, and then concludes with when to change. Using these steps as a foundation, submit an assignment that addresses the following: Research organizations in Saudi Arabia that, in the past … Read more

Do you think that Amazon, or any company for that matter, can be completely automated, eliminating the human factor? Why, or why not?If so, what functions did you see in this video, or past videos that might be automated?By automating the entire process do you think that this would diminish the amount of pilferage? Please … Read more

Read through the Case Study entitled “Highline Financial Services, Ltd.” in Chapter 3 of your textbook. Examine the historical trends this company has experienced for the three products (A, B, C) discussed over the 2 years shown. Address the following requirements: · Prepare demand forecasts for the next four quarters for all three products, describe … Read more

Are ‘law’ and ‘justice’ one and the same thing? Discuss. (300 words maximum) Question 2 [from Week 2, 11 marks] While jogging around his suburb one morning, Pedro sees a speedboat parked outside a house. There is a sign posted on the boat’s windshield saying: “For sale $9,000, Text Andres on 0409876543. Direct buyers only!” … Read more