The following data are the results of a classification analysis. The output includes the validation output Ytrue and predictedclassifications obtained with three trained classification algorithms termed Y1, Y2 and Y3.YtrueY1Y2 Y310011200003110041101511006110170018110191101101101111000120011131100141101151101160010170101180011a) Analyze the performance of the classifier Y2. To this end, using the given data compute and report the usual figures TN, FP, FN andTP of the confusion matrix as well as the performance measures TPR and FPR. Briefly comment on the performance of this classifier.b) Repeat the items in a) for the classifier Y1.c) Compare the two classifiers.

To analyze the performance of the classifiers Y2 and Y1, we need to calculate the True Positives…

Answered: The following data are the results of a…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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The raw data gathered on a university campus from a survey of art degree majors and their residency status were as follows: α11 = 67, α12 = 33, a13 = 22, a21 132, a22 = 78, A23 = 39, α31 = 31, a32 = 11, α33 = 4, α41 =74, a42 = 75, a43 - = 22 The following contingency table was created based on the above data, where you will need to calculate the grand total, the total for each row, and the total for each column on your own before answering the question that appears after the table. Digital Media Drawing/Painting Sculpture Studio Arts Total In-State Students 67 132 31 74 Out-of- State Students 33 78 11 75 International Students 22 39 4 22 Total Calculate the probability that someone is a studio arts major AND an In- State student. (For answers up to four decimal places, enter the number in the box below without rounding it. For answers that have more than four decimal values, round your answer to four decimal places).
An important factor in selecting software for word-processing and database management system is the time required to learn how to use the system. To evaluate three file management systems, a firm designed a test involving five word-processing operators. Since operator variability was believed to be a significant factor, each of the five operators was trained on each of the three file management systems. The data obtained follow. Operator System A B C 1 16 16 24 2 19 17 22 3 14 13 19 4 13 12 18 5 18 17 22 Use α = 0.05, test to see whether there is any difference in the mean training time (in hours) for the three systems.
Which of these modelling techniques tends to use many small trees? O a. All of these O b. Decision Trees c. Random Forests O d. Gradient Boosting
A study was conducted to determine whether big-city and small-town dwellers differed in their helpfulness to strangers. In this study, the investigators rang the doorbells of strangers living in a large City or small towns in the vicinity. They explained they had misplaced the address of a friend living in the neighbourhood and asked to use the phone. The following data show the number of individuals who admitted or did not admit the strangers (the investigators) into their homes: Helpfulness to strangers Admitted strangers into their home Didnot admit strangers into their home Big city dwellers 60 90 Small town dwellers 70 30 State the dependent and independent variable Is this a directional or non directional
Suppose the following table was generated from a sample of 20 CEOs relating annual salary to years of experience and the industry in which they are employed. Indicator (dummy) variables were created for each industry (1 if the CEO works in that industry, 0 otherwise). The Manufacturing industry is considered the base-level industry. Intercept Experience Health Care Service Financial Coefficients 133396.741143 3417.477093 226.614122 15262.361221 4382.039806 - 13879.298934 5267.791380 23101.606550 4630.919331 Standard Error 5008.325908 t Stat P-Value 26.634996 0.000000 15.080601 0.000000 3.482935 0.003338 -2.634747 0.018754 4.988557 0.000162 Copy Data According to the results, if a CEO in the Manufacturing industry and a CEO in the Service industry both have 3 years of experience, what is the estimated difference in annual salary between the two CEOs? Enter your answer below, rounded to two decimal places. AnswerHow to enter your answer (opens in new window) 2 Points Keypad Keyboard…
The following table contains the results of a survey of daily rental rates of a mid-size car for three major rental car companies at three airport locations on three different days during the year. Is there sufficient evidence to conclude that there is a significant difference among the average daily rental rates for mid-size cars for the three rental car companies? Daily Rental Rates of Mid-Size Cars ($) New York Chicago Miami Hertz 83.9983.99 81.9981.99 73.9973.99 89.9989.99 91.9991.99 45.9945.99 77.9977.99 89.9989.99 72.9972.99 Avis 75.8675.86 77.9977.99 70.9970.99 45.1045.10 86.9986.99 60.9960.99 48.9848.98 97.9997.99 90.9990.99 National 80.0080.00 75.9975.99 57.0057.00 56.0056.00 71.0071.00 53.9953.99 56.0056.00 77.9977.99 67.9967.99 Copy Data ANOVA Source of Variation SSSS dfdf MSMS Company 709.6404709.6404 22 354.8202354.8202 Location 1631.71781631.7178 22 815.8589815.8589 Interaction 1157.83361157.8336 44 289.4584289.4584 Within…
The scientific productivity of major world cities was the subject of a recent study. The study determined the number of scientific papers published between 1994 and 1997 by researchers from each of the 20 world cities, and is shown below. City Number of papers City Number of papers City 1 1616 City 11 33 City 2 2626 City 12 99 City 3 1212 City 13 2121 City 4 55 City 14 44 City 5 22 City 15 55 City 6 2626 City 16 44 City 7 66 City 17 2020 City 8 2525 City 18 1717 City 9 1616 City 19 2222 City 10 66 City 20 2525 Construct a 95 % confidence interval for the average number of papers published in major world cities. blank <μ<blank

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