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# Lab 3 - CE 93 Engineering Data Analysis Lab 3(February 2...

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CE 93 Engineering Data Analysis Lab 3 (February 2, 2011) Data Preparation a. Go to bSpace: Resources -> Labs -> Lab3 and download all files to your current directory. b. In the Current Directory window in Matlab, double click SFBAdrivers.csv . The import wizard window will pop up. Your data set contains four columns as shown below: The ID of the household, the number of vehicles in that household, the number of licensed drivers living in the household and the household size. ID VehicleCount DriverCount HouseholdSize 1 2 2 6 2 1 1 1 3 3 4 5 4 2 2 2 5 3 3 3 In the import wizard, click Next , then choose “Create vectors from each column using column names ”. Click “Finish”. You can also import the data as we did in the last two labs. c. Assign new names to the columns in the dataset as follows: v = Vehicle Count, d = DriverCount, h = HouseholdSize Make sure these new variables show up in your Workspace tab. You can also check by using the command who . d. Import the other data set named flights_sample.csv . flt: Always 1, indicates the existence of a flight. ot: 1 if the flight was on time, 0 otherwise. Problem 1: Events Try to write the following events in set notation (unions, intersections). Calculate the number of observations for those events by using Matlab.

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