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yogurt consumer reports tested 14 brands of vanilla yogurt and found these numbers of calories per servinga check the
chips ahoy in 1998 as an advertising campaign the nabisco company announced a 1000 chips challenge claiming that every
doritos some students checked 6 bags of doritos marked with a net weight of 283 grams they carefully weighed the
ruffles students investigating the packaging of potato chips purchased 6 bags of lays ruffles marked with a net weight
fuel economy a company with a large fleet of cars hopes to keep gasoline costs down and sets a goal of attaining a
marriage in 1960 census results indicated that the age at which american men first married had a mean of 233 years it
tv safety revisited the manufacturer of the metal tv stands in exercise 25 is thinking of revising its safety testa if
a whistle is made of square tube with a notch cut in its edge into which a baffle is brazed determine the dimensions d
1 clearly describe what is meant by classification2 using the classify risk data set with predictors age marital status
1 discuss the advantages and drawbacks of using a small value versus a large value for k2 why would one consider
1 what is the sole function of the nodes in the input layer2 should we prefer a large hidden layer or a small one
use the data set churn normalize the numerical data recode the categorical variables and deal with the correlated
browse your model in the network window of the model tab select the style coefficients record the pred1-to-neuron1
1 extra credit investigate the mixture idea for the continuous predictor mentioned in the text2 explain what is meant
1 explain why the log posterior odds ratio is useful provide an example2 describe the process for using continuous
1 when is the naiumlve bayes classification the same as the map classification what does this mean for the naiumlve
1 suppose our model has perfect sensitivity and perfect specificity what then is our accuracy and overall error rate2
1 true or false if model a has better accuracy than model b then model a has fewer false negatives than model b if
1 what is the difference between the total predicted negative and the total actually negative2 what is the relationship
1 why do we not use the average deviation as a model evaluation measure2 how is the square root of the mse interpreted3
use the breast cancer data set10 this data set was collected by dr william h wohlberg from the university of wisconsin
perform a costbenefit analysis for the default cart model from exercise 1 as follows assign a cost or benefit in dollar
based on your answer to the previous exercise adjust the misclassification costs for your cart model to reduce the
apply a cart model for predicting churn use default misclassification costs construct a table containing the following