Home » Data Science » Machine Learning » One way to aggregate predictions from multiple trees is by a majority vote. Using this aggregation rule, select the prediction of the following trees on the data point (x=4, y=7, z=2): Q: Practice More Questions From: Prognosis With Tree-Based Models Created with Fabric.js 4.6.0 Practice More Questions Data Analysis 2000+ Qs Machine Learning 1000+ Qs Created with Fabric.js 4.6.0 Similar Questions One of the strategies you practice is the five-second rule. What are some key aspects of this rule? Select all that applyOne of the strategies you practice is the five-second rule. What are some key aspects of this rule? Select all that apply.Using regression imputation, and the decision tree shown here, what is your prediction for this person's risk of heart attack?A data analyst previously created a series of nested functions that carry out multiple operations on some data in R. The analyst wants to complete the same operations but make the code easier to…What is the C-index for the following set of predictions?A data analyst gives a presentation about predicting upcoming investment opportunities. How does establishing a hypothesis help the audience understand their predictions?You’ve fit a random forest of 10 trees with max depth 20. Your training ROC is 0.99 and test ROC is 0.54. Which of the following is NOT a reasonable thing to try?Fill in the blank: When a data analyst notices a data point that is very different from the norm in a scatter plot, the best course of action is to _____ the outlier.A data analyst is working with a data frame named retail. It has separate columns for dollars (price_dollars) and cents (price_cents). The analyst wants to combine the two columns into a single column…Fill in the blank: In Tableau, a _____ palette displays two value ranges. Color shows the range where a data point is from, and color intensity shows its magnitude.Fill in the blank: In Tableau, a diverging palette displays two value ranges. It uses a color to show the range where a data point is from and _____ to show its magnitude.Fill in the blank: In Tableau, a diverging palette displays two value ranges. It uses a color to show the range where a data point is from and color intensity to show its ______.Fill in the blank: The _____ creates a scatterplot and then adds a small amount of random noise to each point in the plot to make the points easier to find.What function creates a scatterplot and then adds a small amount of random noise to each point in the plot to make the points easier to find?Which of the following is not one of the key challenges for AI diagnostic algorithms that is discussed in the lecture? Created with Fabric.js 4.6.0 Practice More Questions Data Analysis 200+ Qs Machine Learning 100+ Qs
