Home » Data Science » Machine Learning » In what order should the training, validation, and test sets be sampled? 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 Why is it bad to have the same patients in both training and test sets?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?Let’s say you have a relatively small training set (~5 thousand images). Which training strategy makes the most sense? 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?Next, you prepare for the question-and-answer session that will follow your presentation. To predict what questions they may ask, you do a colleague test of your presentation. You should choose a…True or False: the start and end vectors are fixed throughout training You have created a model using mean imputation. At test time, you should fill in missing values with: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…A data analyst is creating a dashboard using Tableau. In order to layer objects over other items, which layout should they choose?You are creating a slideshow for a client presentation. There is a pivot table in a spreadsheet that you want to include. In order for the pivot table to update whenever the spreadsheet source file…When we’re using a normal approximation, the width of our confidence interval depends on the variance of the normal distribution. Recall that the variance of each sample is identical, but the variance…Fill in the blank: To improve your draft, you select more varied hues and make the color intensity stronger. In addition, you choose darker _____ in order to reflect more light.You decide to run a colleague test before a presentation to your stakeholders. What kinds of information might the exercise give you? Select all that apply.Examples of variable names that can be used in R are autos_5 and utility2. Variable names should start with a letter and can also contain numbers and underscores. Created with Fabric.js 4.6.0 Practice More Questions Data Analysis 200+ Qs Machine Learning 100+ Qs
