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03 DEC 2019

TBANLT 510 A | Business Analytics

AUTUMN 2019

Authored by:

Cassandra

Weiner

TABLEAU

ASSIGNMENT

An Analysis of UFO Sightings

CLICK THROUGH SOLUTION

I certify that I have completed this assignment within the Academic Integrity guidelines

presented in the UW General Catalog. Further, I certify that I do not have any knowledge

of any other individual(s) violating these guidelines.

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Contents Assignment Question 1: DATA PREP ................................................................... 2

Cleanse the UFO Data in Tableau Prep Builder ............................................... 2

Upload Cleansed Data to Tableau ...................................................................... 4

Use a visualization to determine the most common shape of UFO craft ........ 5

Assignment Question 2: DASHBOARD ................................................................ 5

Build at least 4 descriptive analytic visualizations about the UFO shape

identified in Q1. .................................................................................................... 5

Assignment Question 3: STORYBOARD .............................................................. 1

Build at least 4 descriptive analytic visualizations about the UFO shape

identified in Q1 ..................................................................................................... 1

Combine visualizations into a storyboard for determining where to set up a

MADAR Node to track sightings of the shape identified in Q1. ..................... 1

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Assignment Question 1: DATA PREP

Cleanse the UFO Data in Tableau Prep Builder 1. If you do not already have Tableau Prep Builder installed on your machine you may download it

directly from Tableau’s website (https://www.tableau.com/products/prep).

2. Open Tableau Prep and select the Connect to Data button.

3. Select

Microsoft Excel and open the file “LastName_FirstName_2” from wherever you have saved it.

4. Add a Step to your Flow.

5. Under the Recommendations section change [City] Data Role to City and change [State] Data

Role to State/Province by first selecting on the recommendation and then clicking Apply. You

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will know a change has been made when it appears in the “Changes” sidebar.

6. Under the Recommendations section select [City] Group and Replace to replace invalid values with

matching values from the data role by first selecting on the recommendation and then clicking

Apply. Then click Done.

7. Under the Recommendations section select [City] Group and Replace to replace invalid values with

null by first selecting on the recommendation and then clicking Apply.

8. Click on the null field under [City] and then to remove rows that contain null values for this field

click on Exclude.

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9. Repeat step 8 for [State], [Shape], [Duration], and [Summary] to remove rows that contain null

values for those fields.

10. Add an Output to your Flow.

11. Format your output by selecting the Browse button, naming your file “UFO_Output”, and then

accepting.

12. Run your Flow (if a previous file exist you can override it with your updated data) and select Done.

13. Save your file as “UFOFlow” and exit Tableau Prep Builder.

Upload Cleansed Data to Tableau

Open Tableau and in the Connect Panel’s To a File section, click on “More…” and select the

“UFO_Output” file that you created in the Tableau Prep Builder stage.

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Use a visualization to determine the most common shape of

UFO craft

Create a sheet.

Drag the Shape dimension to the rows box.

Drag the Number of Records measure to the columns box

Sort descending by SUM(Number of Records).

ANSWER: Unknown Shape

Assignment Question 2: DASHBOARD

Build at least 4 descriptive analytic visualizations about the

UFO shape identified in Q1.

Filter Shape: Unknown

Suspected Hoax Dimension to color mark.

Number of Records measure to size mark.

Select Pie Chart from marks drop down.

Filter Shape: Unknown

Sentiment dimension to color mark.

Number of Records measure to size mark.

Select Circle from marks drop down.

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Filter Shape: Unknown

Longitude to Columns.

Latitude to Rows.

Select Map from marks drop down.

Drag Number of Records measure to color mark

Filter Shape: Unknown

Date/Time to columns.

Number of Records to rows.

Select line from marks drop down.

Combine Visualizations onto a dashboard

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Assignment Question 3: STORYBOARD

Build at least 4 descriptive analytic visualizations about the

UFO shape identified in Q1

Filter Shape: Unknown

Longitude to Columns.

Latitude to Rows. TWICE (dual

axisStates/Cities)

Select Map from marks drop down.

Drag Number of Records measure to color mark

Filter Shape: Unknown

States to Rows

Number of Records to Columns

Filter Shape: Unknown

Filter State: CA

Cities to Rows

Number of Records to Columns

Filter Shape: Unknown

Filter State: CA

Filter Cities: Los Angeles

Number of Records to Rows

Time/Date to Columns (by hour)

Combine visualizations into a storyboard for determining where

to set up a MADAR Node to track sightings of the shape

identified in Q1.

Storyboard Link:

https://public.tableau.com/profile/ceweiner#!/vizhome/MODARNodeLocation

Suggestion/MADARNODELOCATIONSUGGESTION?publish=yes