Lab1_Answers

CST8390 - Lab 1 Answers During demo time, you should be able to answer questions on the process that you did in this lab. When you take screenshots, make sure that you are getting a shot of the full Weka. Weka Installation guide 10. Fill the following table from the installation guide. Flower Type Count Iris-setosa 50 Iris-versicolor 50 Iris-virginica 50 11.Fill the following table from the installation guide. Attribute Minimum Maximum Mean StdDev sepallength 4.3 7.9 5.843 0.828 Sepalwidth 2 4.4 3.054 0.434 petallength 1 6.9 3.759 1.764 petalwidth 0.1 2.5 1.199 0.763 Data Preparation and Cleaning 1. Which are the four important attributes that are relevant to analyse this dataset? Country, Branch, Currency and Salary 2. For the nominal attributes of the above question, fill in the following table: Attribute Name: Country Attribute Name: Currency Label Count Label Count China 40 CHY 41 USA 39 USD 39 Germany 38 EUR 38 Mexico 37 MXD 36 Japan 1 INR 1 Attribute Name: Branch Label Count

1 40 2 39 3 40 4 35 6 1 3. Analyze your data to see any anomalies. List the identified anomalies below. Write why you think those records are anomalies in the following format (Add at least 8 anomalies) first_nam e last_nam e Email Address Country Branc h Currenc y Salary Reason 1 Misha Tunna mtunnaj@dailymotion.com 15 Kipling Drive USA 1 USD 320009 99 Salary too high compared to other salaries in the same branch 2 Darcy Addie daddie1k@jalbum.net 836 Marquette Pass German y 2 EUR 605009 99 Salary too high compared to other salaries in the same branch 3 Nelson McRinn nmcrinn3p@economist.com 56053 Buell Terrace Mexico 2 MXD 19999 He is from Mexico but works in branch 2 4 Della Hodgin bhodgin2g@msu.edu 60 Bellgrove Court Japan 3 CHY 600000 He is from Japan but works in branch 2 5 Edward Skells eskells35@spotify.com 54486 Carberry Park Mexico 4 CHY 150000 The employee works in branch 4 but is paid in CHY 6 Burton Dudden bdudden39@japanpost.jp 050 Nova Court Mexico 4 INR 45999 The employee works in branch 4