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Python Pt Feature Label A 7 0 B 10 1 C 4 0 D 10 0 E 16 1 F 9 1 (a) Calculate the gini index of the Dataset. (b) If we split on 8, what is the overall gini index after splitting? (c) If we split on 13, what is the overall gini […]
Topic: Using graphs to interpret data In this assignment, you will be required to use the Heart Rate Dataset to complete the following: Use the classification of variables from the Unit 1 assignment to match each variable to one appropriate type of graph Create graphs of those variables Give a brief written description of how […]
The most frequently used measures of central tendency for quantitative data are the mean and the median. The following table shows civil service examination scores from 24 applicants to law enforcement jobs: 83 74 85 79 82 67 78 70 18 93 64 27 93 98 82 78 68 82 83 99 96 62 93 […]
Identify one dataset (also referred to as a database) publicly available for research. Employee Productivity can be used.
Task A: Create a complete job description for the benefits manager position using O*NET. Task B: Calculate the job evaluation points for the administrative assistant, payroll assistant, operational analyst, and benefits manager jobs. Provide a rationale for assigning specific degrees to the various jobs. Task C: If there were any outliers (i.e., extreme data points) […]
Remember that the first and second assumptions of the regression analysis implies that residuals (or errors) must have constant variance for different values of the explanatory variable. The below figure shows three behaviors of residuals. Notice that although residuals have a mean of zero in all three cases, only the third one shows a constant […]
You are given a training dataset, “trainDataset.csv”, and a testing dataset, “testDataset.csv”, which will be provided in electronic form. The data are extracted and pre-processed from the original Titanic dataset. The attributes of each object (a passenger in this case) are defined as follows: • Survived: represent whether the passenger survived (1) or not survived […]
