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Question 56/165

You are analyzing data in order to build a classifier model. You discover non-linear data and discontinuities that will affect the model. Which analytical method would you recommend?

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Question List (165q)
Question 1: Consider a database with 4 transactions: Transaction 1: {che...
Question 2: In the MapReduce framework, what is the purpose of the Reduc...
Question 3: In linear regression, what indicates that an estimated coeff...
Question 4: In addition to less data movement and the ability to use lar...
Question 5: The Marketing department of your company wishes to track opi...
Question 6: Which analytical method is considered unsupervised?...
Question 7: What does the R code z &lt;- f[1:10, ] do?...
Question 8: Which characteristic applies only to Business Intelligence a...
Question 9: Refer to the exhibit. (Exhibit) The graph represents an ROC ...
Question 10: Which process in text analysis can be used to reduce dimensi...
Question 11: What is required in a presentation for project sponsors?...
Question 12: How does Pig's use of a schema differ from that of a traditi...
Question 13: Refer to the exhibit. (Exhibit) You are using k-means cluste...
Question 14: Refer to the exhibit (Exhibit) Consider the training data se...
Question 15: Your company has 3 different sales teams. Each team's sales ...
Question 16: In which phase of the data analytics lifecycle do Data Scien...
Question 17: You are using the Apriori algorithm to determine the likelih...
Question 18: In linear regression modeling, which action can be taken to ...
Question 19: A data scientist plans to classify the sentiment polarity of...
Question 20: Refer to the exhibit. (Exhibit) Click on the calculator icon...
Question 21: You submit a MapReduce job to a Hadoop cluster and notice th...
Question 22: Trend, seasonal, and cyclical are components of a time serie...
Question 23: Refer to the exhibit. (Exhibit) Click on the calculator icon...
Question 24: You are using MADlib for Linear Regression analysis. Which v...
Question 25: In R, functions like plot() and hist() are known as what?...
Question 26: Which word or phrase completes the statement? Business Intel...
Question 27: Which word or phrase completes the statement? A data warehou...
Question 28: Which activity might be performed in the Operationalize phas...
Question 29: How are window functions different from regular aggregate fu...
Question 30: In which lifecycle stage are appropriate analytical techniqu...
Question 31: In data visualization, what is used to focus the audience on...
Question 32: Which word or phrase completes the statement? A Data Scienti...
Question 33: Which key role for a successful analytic project can provide...
Question 34: A disk drive manufacturer has a defect rate of less than 1.5...
Question 35: The average purchase size from your online sales site is $17...
Question 36: What is Hadoop?
Question 37: What is one modeling or descriptive statistical function in ...
Question 38: Refer to the exhibit. (Exhibit) You are using K-means cluste...
Question 39: Refer to the Exhibit. (Exhibit) In the Exhibit, the table sh...
Question 40: The web analytics team uses Hadoop to process access logs. T...
Question 41: Refer to the exhibit. (Exhibit) You have run a linear regres...
Question 42: Which word or phrase completes the statement? Data-ink ratio...
Question 43: Refer to the exhibit. (Exhibit) You are building a decision ...
Question 44: You are attempting to find the Euclidean distance between tw...
Question 45: What is a core deliverable at the end of the analytic projec...
Question 46: What would be considered "Big Data"?...
Question 47: You have fit a decision tree classifier using 12 input varia...
Question 48: You are using k-means clustering to classify heart patients ...
Question 49: You are provided four different datasets. Initial analysis o...
Question 50: Consider the example of an analysis for fraud detection on c...
Question 51: Consider a database with 4 transactions: Transaction 1: {che...
Question 52: Refer to the exhibit. (Exhibit) You have created a density p...
Question 53: You have been assigned to do a study of the daily revenue ef...
Question 54: What is the primary bottleneck in text classification?...
Question 55: What are the characteristics of Big Data?...
Question 56: You are analyzing data in order to build a classifier model....
Question 57: What is an example of a null hypothesis?...
Question 58: Refer to exhibit. (Exhibit) You are asked to write a report ...
Question 59: Which method is used to solve for coefficients b0, b1, .., b...
Question 60: Refer to the Exhibit. (Exhibit) You are working on creating ...
Question 61: When would you use a Wilcoxson Rank Sum test?...
Question 62: Which R data structure allows elements to have different dat...
Question 63: Which graphical representation shows the distribution and mu...
Question 64: Refer to the exhibit. (Exhibit) The exhibit shows four graph...
Question 65: Imagine you are trying to hire a Data Scientist for your tea...
Question 66: Refer to the exhibit (Exhibit) Consider the training data se...
Question 67: You have two tables of customers in your database. Customers...
Question 68: Refer to the exhibit. (Exhibit) You have scored your Naive b...
Question 69: Which word or phrase completes the statement? Business Intel...
Question 70: What is a property of window functions in SQL commands?...
Question 71: Refer to the Exhibit. (Exhibit) In the Exhibit, the table sh...
Question 72: You have completed your model and are handing it off to be d...
Question 73: Which functionality do regular expressions provide?...
Question 74: Which word or phrase completes the statement? Mahout is to H...
Question 75: You have been assigned to run a linear regression model for ...
Question 76: Refer to the exhibit. (Exhibit) After analyzing a dataset, y...
Question 77: On analyzing your time series data you suspect that the data...
Question 78: Which characteristic applies mainly to Data Science as oppos...
Question 79: What describes a true property of Logistic Regression method...
Question 80: Consider these itemsets: (hat, scarf, coat) (hat, scarf, coa...
Question 81: Consider these itemsets: (hat, scarf, coat) (hat, scarf, coa...
Question 82: Your colleague, who is new to Hadoop, approaches you with a ...
Question 83: Which data asset is an example of semi-structured data?...
Question 84: Refer to the exhibit. (Exhibit) You ran a linear regression,...
Question 85: You have used k-means clustering to classify behavior of 100...
Question 86: In MADlib what does MAD stand for?...
Question 87: Refer to the exhibit. (Exhibit) What provides the decision t...
Question 88: When creating a project sponsor presentation, what is the ma...
Question 89: Which word or phrase completes the statement? Unix is to bas...
Question 90: In data visualization, which type of chart is recommended to...
Question 91: Which word or phrase completes the statement? Emphasis color...
Question 92: Consider a scale that has five (5) values that range from "n...
Question 93: In a Student's t-test, what is the meaning of the p-value?...
Question 94: Which ROC curve represents a perfect model fit? A: (Exhibit)...
Question 95: What is LOESS used for?
Question 96: You have been assigned to do a study of the daily revenue ef...
Question 97: Your colleague, who is new to Hadoop, approaches you with a ...
Question 98: A data scientist is given an R data frame, "empdata", with t...
Question 99: For which class of problem is MapReduce most suitable?...
Question 100: Assume that you have a data frame in R Which function would ...
Question 101: In the MapReduce framework, what is the purpose of the Map F...
Question 102: Refer to the exhibit. (Exhibit) In the exhibit, a correlogra...
Question 103: You are given 10, 000, 000 user profile pages of an online d...
Question 104: The web analytics team uses Hadoop to process access logs. T...
Question 105: You have been assigned to do a study of the daily revenue ef...
Question 106: A disk drive manufacturer has a defect rate of less than 1.0...
Question 107: What is required in a presentation for business analysts?...
Question 108: You are studying the behavior of a population, and you are p...
Question 109: Refer to the exhibit. (Exhibit) Which type of data issue wou...
Question 110: What does R code nv &lt;- v[v &lt; 1000] do?...
Question 111: A Data Scientist is assigned to build a model from a reporti...
Question 112: You are analyzing a time series and want to determine its st...
Question 113: You are performing a market basket analysis using the Aprior...
Question 114: Before you build an ARMA model, how can you tell if your tim...
Question 115: If your intention is to show trends over time, which chart t...
Question 116: What is the purpose of the process step "parsing" in text an...
Question 117: Which word or phrase completes the statement? A spreadsheet ...
Question 118: Your organization has a website where visitors randomly rece...
Question 119: You have been assigned to run a logistic regression model fo...
Question 120: When would you use GROUP BY ROLLUP clause in your OLAP query...
Question 121: Review the following code: SELECT pn, vn, sum(prc*qty) FROM ...
Question 122: Your customer provided you with 2, 000 unlabeled records and...
Question 123: A data scientist wants to predict the probability of death f...
Question 124: What is an appropriate data visualization to use in a presen...
Question 125: Which SQL OLAP extension provides all possible grouping comb...
Question 126: Which activity is performed in the Operationalize phase of t...
2 commentQuestion 127: You have run the association rules algorithm on your data se...
Question 128: You do a Student's t-test to compare the average test scores...
Question 129: Which word or phrase completes the statement? Theater actor ...
Question 130: What describes a true limitation of Logistic Regression meth...
Question 131: Which type of numeric value does a logistic regression model...
Question 132: You are building a logistic regression model to predict whet...
Question 133: In which lifecycle stage are initial hypotheses formed?...
Question 134: Refer to the exhibit. (Exhibit) You have plotted the distrib...
Question 135: Refer to the exhibit. (Exhibit) You are asked to write a rep...
Question 136: You are asked to create a model to predict the total number ...
Question 137: Refer to the exhibit. (Exhibit) You are assigned to do an en...
Question 138: Refer to the exhibit. (Exhibit) Click on the calculator icon...
Question 139: Refer to the exhibit. (Exhibit) In the exhibit, a correlogra...
Question 140: Data visualization is used in the final presentation of an a...
Question 141: What is the mandatory Clause that must be included when usin...
Question 142: Refer to the exhibit. (Exhibit) In the exhibit, the x-axis r...
Question 143: You are testing two new weight-gain formulas for puppies. Th...
Question 144: A data scientist is asked to implement an article recommenda...
Question 145: Which data type value is used for the observed response vari...
Question 146: What describes the use of UNION clause in a SQL statement?...
Question 147: Refer to the Exhibit. (Exhibit) In the Exhibit. For effectiv...
Question 148: A call center for a large electronics company handles an ave...
Question 149: What is an appropriate data visualization to use in a presen...
Question 150: Which key role for a successful analytic project can consult...
Question 151: When creating a presentation for a technical audience, what ...
Question 152: Which data asset is an example of quasi-structured data?...
Question 153: Refer to the exhibit. (Exhibit) Click on the calculator icon...
Question 154: In which phase of the analytic lifecycle would you expect to...
Question 155: In which lifecycle stage are test and training data sets cre...
Question 156: Refer to the exhibit. (Exhibit) You have scored your Naive b...
Question 157: What is holdout data?
Question 158: When would you prefer a Naive Bayes model to a logistic regr...
Question 159: Under which circumstance do you need to implement N-fold cro...
Question 160: Which of the following is an example of quasi-structured dat...
Question 161: Data visualization is used in the final presentation of an a...
Question 162: While having a discussion with your colleague, this person m...
Question 163: What is the format of the output from the Map function of Ma...
Question 164: Since R factors are categorical variables, they are most clo...
Question 165: Which word or phrase completes the statement? Structured dat...