Home » Data Science » Machine Learning » Why is it bad to have the same patients in both training and test sets? Q: Practice More Questions From: Disease Detection With Computer Vision 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 Assume you have missing data on one of your features, and are considering two options: True or False: "Both options have the same performance".In what order should the training, validation, and test sets be sampled?Let’s say you have a relatively small training set (~5 thousand images). Which training strategy makes the most sense? You find that your training set has 70% negative examples and 30% positive. Which of the following techniques will NOT help for training this imbalanced dataset?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?A data analyst wants to save stakeholders time and effort when working with a Tableau dashboard. They also want to direct stakeholders to the most important data. What process can they use to achieve…Now let’s say you have a very large dataset (~1 million images). Which training strategies will make the most sense?Let’s say blood pressure (BP) measurements are more likely to be missing among young people, who generally have lower blood pressure. You use mean imputation to train your model. Which option…Given the following statistical information of patients for a treatment arm and a control group, which one corresponds to a correct setup of a randomized control trial?You are part of a medical team trying to create an alternative treatment for patients with lung cancer. Your group performs several experiments and reports results with the following p-values. Which…You are studying the effect of a new treatment for heart attack, your job consists in looking at outcomes of the effect in patients, fill the unit level treatment effect column using the Neyman-Rubin…You explain that causation is the measure of the degree to which two variables move in relationship to each other. In the case of Gaea’s business, charging station numbers and car sales move in the…If an analyst creates the same kind of document over and over or customizes the appearance of a final report, they can use _____ to save them time.You have created a model using mean imputation. At test time, you should fill in missing values with: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… Created with Fabric.js 4.6.0 Practice More Questions Data Analysis 200+ Qs Machine Learning 100+ Qs
