“Learn data analysis through an example of soccer”
A speech from an statistics, Hiromu Nishiuchi.
It’s A very good and impressive speech.
Verification of hypothesis has been a general way to analyze data. However, this method can only be used to exam one factor at a time, which may neglect some other important factors in the data.
He proposed a method to analyze data through 3 aspects: outcome (the desired result), analyzing unit (unit of influence factor) and influence factor (the variable range of analyzing unit).
The basic analyzing units:
Who: customer, employee, cooperation company
What: product, service, equipment
How: advertisement, champagne
When: day, month, year
Where: shop, office
Remember always to analyze from several angles.
The most important thing is to improve the outcome by changing the influence factors from the results of analysis.
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