What are the characteristics of edible mushrooms? Note: Use the Small Tree View and Leaf Report.

The sample data table Mushroom.jmp contains 22 characteristics of 8,124 edible and poisonous mushroom. To see probabilities, select Display Options > Show Split Prob from the top red triangle menu.

(a) Use the Partition platform to build a seven split model to predict whether a mushroom is edible based on the 22 characteristics.

(b) Which characteristics are most important? Note: Use Column Contributions.

(c) What are the characteristics of edible mushrooms? Note: Use the Small Tree View and Leaf Report.

(d) Prune back to two splits. What is the predicted probability that a mushroom with no odor and a white spore print color is edible?

(e) Return to the Partition launch window, enter the value 0.3 in the Validation Portion field, and then rerun the model. We use a holdout validation set to determine the best number of splits. Do the validation statistics improve much after three splits? After four splits?

What are the multiple correlations of three sets of predictors and overall state of health?

What are the multiple correlations of three sets of predictors and overall state of health? The first set of predictors contains demographic variables (age and years of education). The second….

What conclusions might you draw from these data?

According to the Death Penalty Information Center, death penalty states record higher murder rates than non-deathpenalty states. On January 1, 2014, the average murder rate among death penalty states was….

How would you defend these reforms to persons who advocate for tough-on-crime approaches?

The 10-member Colson Task Force on Federal Corrections is composed of Republican and Democrat federal and state congressional leaders, a federal judge, a U.S. attorney, a state warden, a professor,….