WPC 300 Cheat Sheet
- Chapter 1:
oETL, add some examples from HW
oOther stuff check notes and videos
- Chapter 2:
oBiases
oModels in business analytics (all 4) and what questions they ask and what they
do
oDifference between causality and correlation
Causality: something has to happen before seeing result (smoking causes
cancer)
Correlation: 2 variables moving together
- Chapter 3:
oProblems with flat file
oIt’s primary key if underlined, it’s secondary key if it’s not and if it’s in different
section
- Chapter 4:
oKnow most excel functions (easy money, lets hunt)
o
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