만약 종속변수 y가 연속적이지 않다면?
왠지 선택의 문제를 다루고 싶을 때.. (가구의 주택소유여부, 기업의 Stock Option 부여 여부, 개인의 흡연 여부..)
우리는 종속변수를 0 또는 1로 coding. (binary choice)
y의 예측값은 선택확률의 의미를 가지게 됨.
이 경우, 문제가 생긴다. (Linear Probability Model)
Heteroskedast
estimated their truck delivery costs. The actual cost of this service was $75, which is more than 2 times larger than $33. Under-estimated costs of truck delivery encouraged them to continue the unprofitable service. And this also leads to the difference in profitability of the orders. Thecalculation tables below are for references .
1) Desktop Delivery Cost (Current Cost System)
Delivery t
2. How many aircraft does Airbus need to sell in order to break even on the investment? Is this number greater or less than your estimate of total demand for very large aircraft (VLA) over the next 20 years?
The development cost for the A3XX is expected to be $13B. We did the numerical analyses by assuming a conservative 20% operating margin on the A3XX. The best case scenario occurs if Airbus
Economical requirement
1)Check the prices of pump and fittings, etc.
2)Set the elbow at the minimum
3)Choose suitable pipe considering pressure drop and prices.
4)Pressure drop and flow rate should be considered for deciding pump
5)Make a budget by adding up all the prices above
order to credit the allowance, which would result in decreasing revenues. A decrease in revenues leads to a decrease in net income.
If investigators have not found the “exposed receivables” of Xerox, then Xerox would have kept the exposed receivables as ordinary receivables. Since they are incorrectly acknowledging more account receivables than the actual amount of account receivables that