What this is
Python OLS on (売上原価, 売上高), (売上原価, production), (売上原価, founders' headcount); no-intercept two-regressor fit by normal equations.
Where it comes from
Our calculation from other figures in the trainer’s notes.
Show the working
- OLS: COGS = 19,591 + 0.4219·Rev
- COGS = −15,728 + 13,568·print
- 19,591+0.4219×120,019=70,221 vs 64,177 (−9.4%)
Where it’s used
Related figures
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