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This is the Final Test Exam of 'Data for Everyone' course of MINDX TECHNOLOGY SCHOOL.
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The requirement of Test is cleaning, analyzing, doing visualization with the raw file data (udemy.csv).
- I would use the SQL to clear and filter the clean data for analyzing test.
- Power BI would be the visualization tool for me to visualize and analyze the clean data.
- Finally, I would give the comments about these data through graphs of Power BI.
Table : udemy_course
course_id | course_title | url | is_paid | price | num_subscribers | num_reviews | num_lectures | level | content_duration | published_timestamp | subject |
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1070968 | Ultimate Investment Banking Course. | https://www.udemy.com/ultimate-investment-banking-course/ | TRUE | 200 | 2147 | 23 | 51 | All Levels | 1.5 | 1/19/2017 3:58 | Business Finance |
1113822 | Complete GST Course & Certification - Grow Your CA Practice | https://www.udemy.com/goods-and-services-tax/ | TRUE | 75 | 2792 | 923 | 274 | All Levels | 39 | 3/9/2017 23:34 | Business Finance |
1006314 | Financial Modeling for Business Analysts and Consultants | https://www.udemy.com/financial-modeling-for-business-analysts-and-consultants/ | TRUE | 45 | 2174 | 74 | 51 | Intermediate Level | 2.5 | 12/20/2016 2:26 | Business Finance |
1210588 | Beginner to Pro - Financial Analysis in Excel 2017 | https://www.udemy.com/complete-excel-finance-course-from-beginner-to-pro/ | TRUE | 95 | 2451 | 11 | 36 | All Levels | 3 | 5/31/2017 3:07 | Business Finance |
1011058 | How To Maximize Your Profits Trading Options | https://www.udemy.com/how-to-maximize-your-profits-trading-options/ | TRUE | 200 | 1276 | 45 | 26 | Intermediate Level | 2 | 12/13/2016 21:57 | Business Finance |
192870 | Trading Penny Stocks: A Guide for All Levels In 2017 | https://www.udemy.com/trading-penny-stocks-a-guide-for-all-levels/ | TRUE | 150 | 9221 | 138 | 25 | All Levels | 3 | 5/2/2014 22:13 | Business Finance |
- Introduce about your choosen dataset
- Introduce the technical tools and steps to explore, discover unclear data before analyzing.
- Show steps how to use power bi to import, modelling, analyze and visualize the final clean data (if candidates use power bi to explore and discover data, show it in this part too)
- Present the information that the candidate discovered from the dataset
- If possible, give some follow-up recommendations.
B. Analysis
- SQL
- Filter
- JOINS
- CTE's
- Window Function
- Import CSV File
- POWER BI
- Visualize
- Analyze
- Import CSV File and Transform data