Home » Data Science » Machine Learning » Now let’s say F1 score is at least 0.75. Now which of the following values of precision are possible? Q: Practice More Questions From: Information Extraction with NLP 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 Let’s see why F1 is used instead of the regular mean of precision and recall. Let’s say the mean of precision and recall is at least 0.75. Which of the following could be the true value of the…Let’s say you have a relatively small training set (~5 thousand images). Which training strategy makes the most sense? Now let’s say you have a very large dataset (~1 million images). Which training strategies will make the most sense?You want to apply the filter() function to the variables Cocoa.Percent and Rating. Add the code chunk that lets you filter the data frame for chocolate bars that contain at least 75% cocoa and have a…Now compute the F1 score for all labels jointly: 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…Let f(x) be the probability that a person with feature x dies within 5 years. Let Sx(t) be the survival function of a person with feature x. Assume t is measured in years. Which of the following is…You have a model such that the lowest score for a positive example is higher than the maximum score for a negative example. What is its ROC AUC?For every specificity, as we vary the threshold, the sensitivity of model 1 is at least as high as model 2. Which of the following must be true?When is complete case analysis least likely to bias your model?Say you have trained a decision tree which never splits on a variable X. What will be the variable importance for X using the permutation method?Fill in the blank: An effective slideshow guides your audience through your main communication points, but it does not repeat every word you say. A best practice is to keep text to fewer than five…You say that you will respond professionally using the information you currently have available in order to move quickly past the objection.Which of the following are valid methods for determining ground truth? Choose all that apply.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