{"id":73757,"date":"2022-06-22T03:31:48","date_gmt":"2022-06-22T03:31:48","guid":{"rendered":"https:\/\/assignmenttutors.net\/blog\/introduction-to-big-data-midterm-exam-solution\/"},"modified":"2022-06-22T03:31:48","modified_gmt":"2022-06-22T03:31:48","slug":"introduction-to-big-data-midterm-exam-solution","status":"publish","type":"post","link":"https:\/\/assignmenttutors.net\/blog\/introduction-to-big-data-midterm-exam-solution\/","title":{"rendered":"Introduction to big data midterm exam solution"},"content":{"rendered":"<div>\n<p>\u00a0\u00a0<\/p>\n<p><strong>QUESTION 1<\/strong><\/p>\n<p>What are the three characteristics of Big Data, and what are the main considerations in processing Big Data?<\/p>\n<p>\u00a0\u00a0<\/p>\n<h3>QUESTION 2<\/h3>\n<p>\u00a0Explain the differences between BI and Data Science.<\/p>\n<p>\u00a0\u00a0<\/p>\n<h3>QUESTION 3<\/h3>\n<p>\u00a0Briefly describe each of the four classifications of Big Data structure types. (i.e. Structured to Unstructured)<\/p>\n<p>\u00a0\u00a0<\/p>\n<h3>QUESTION 4<\/h3>\n<p>List and briefly describe each of the phases in the Data Analytics Lifecycle.<\/p>\n<p>\u00a0\u00a0<\/p>\n<h3>QUESTION 5<\/h3>\n<p>In which phase would the team expect to invest most of the project time? Why? Where would the team expect to spend the least time?<\/p>\n<p>\u00a0\u00a0<\/p>\n<h3>QUESTION 6<\/h3>\n<p>Which R command would create a scatterplot for the dataframe \u201cdf\u201d, assuming df contains values for x and y?<\/p>\n<p>\u00a0\u00a0<\/p>\n<h3>QUESTION 7<\/h3>\n<p>What is a rug plot used for in a density plot?<\/p>\n<p>\u00a0\u00a0<\/p>\n<h3>QUESTION 8<\/h3>\n<p>What is a type I error? What is a type II error? Is one always more serious than the other? Why?<\/p>\n<p>\u00a0\u00a0<\/p>\n<h3>QUESTION 9<\/h3>\n<p>Why do we consider K-means clustering as a unsupervised machine learning algorithm?<\/p>\n<p>\u00a0\u00a0<\/p>\n<h3>QUESTION 10<\/h3>\n<p>Detail the four steps in the K-means clustering algorithm.<\/p>\n<p>\u00a0\u00a0<\/p>\n<h3>QUESTION 11<\/h3>\n<p>List three popular use cases of the Association Rules mining algorithms.<\/p>\n<p>\u00a0\u00a0<\/p>\n<h3>QUESTION 12<\/h3>\n<p>Define Support and Confidence<\/p>\n<p>\u00a0\u00a0<\/p>\n<h3>QUESTION 13<\/h3>\n<p>\u00a0How do you use a \u201chold-out\u201d dataset to evaluate the effectiveness of the rules generated?<\/p>\n<p>\u00a0\u00a0<\/p>\n<h3>QUESTION 14<\/h3>\n<p>List two use cases of linear regression models.<\/p>\n<p>\u00a0\u00a0<\/p>\n<h3>QUESTION 15<\/h3>\n<p>\u00a0Compare and contrast linear and logistic regression methods.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0\u00a0 QUESTION 1 What are the three characteristics of Big Data, and what are the main considerations in processing Big Data? \u00a0\u00a0 QUESTION 2 \u00a0Explain the differences between BI and Data Science. \u00a0\u00a0 QUESTION 3 \u00a0Briefly describe each of the four classifications of Big Data structure types. (i.e. Structured to Unstructured) \u00a0\u00a0 QUESTION 4 List [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-73757","post","type-post","status-publish","format-standard","hentry","category-education"],"_links":{"self":[{"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/posts\/73757","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/comments?post=73757"}],"version-history":[{"count":0,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/posts\/73757\/revisions"}],"wp:attachment":[{"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/media?parent=73757"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/categories?post=73757"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/tags?post=73757"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}