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2018 Mini-Challenge 2 Method
- SAS JMP Pro
- Microsoft Excel
- Tableau
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No.
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Approach
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Description
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1.
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SAS JMP Pro
( Data Exploration)
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- Use SAS JMP Pro to open the metadata and check the ditribution and validity of the data.
 
- We found the missing data is 0 and there is no obviously unreasonable skewed distribution, so our initial clean step is complete.
- However, when it refers to chemical units of measure, we noticed there are different units, such as mg/l and μg/l. Therefore, we need further data wrangling by use Microsoft Excel.
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2.
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Microsoft Excel
(Data Wrangling)
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- Use filter and pivot table function in Microsoft Excel extract out the data we need and rename them as revised value(μg/l).
- Given thr geographical analysis we also record the geo-code of background image in the data file.
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3.
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Tableau
(Data Analysis)
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- Import raw data into Tableau and inner join the geo-code.
- From the view of trend change, we can oberserve there are two dramaticlly increase in both 2003 and 2009.
- In addition, 2 locations were taken into consideration of sampling extraction site since 2009. Especillay in Tansanee, it always occupies the largest value of chemical contamination in recent years.
- To prove whether the Kasios Furniture Company caused environmental damage to the Boonsong Lekagul Wildlife Preserve, we select the sample from recent 3 years and combined them with the maps.
- To be specific, we would like to view the measure performances in different locations in a treemap.
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2018 Mini-Challenge 2 Method
