, introduction
LI to
logistic analysis
•
Decision levels :
level
long 3
:
term L
long strategic >
yr )
ˢh°ᵗᵗ↓{ tactical level midterm 11-3 yr ) inventory management
:
:
Transportation management
operational level :
short term l -
yr )
l
sometimes everyday or every
minute
, Lecture 2 Demand Forecast
[ Time Series Method 7-
Stationary time series
-
1.
moving average
2.
exponential smoothing
'
Ft -11=2 Dtt 4- 2) Fo
Ft-11=-7%24 -
d)
i
Dt i
-
[ Trend -
Based I
3-
Foti
Holt 's method for
=
St -1Gt
exponential smoothing
St = ✗ Dtt 4- 2) Lst -1 -1Gt -1 )
{ Gt =P 1St St -1 ) -1 Ll -
-
B) Gt -1
4. regression
4- at bx
{ b=§¥×
a -_ñ¥ Di -
b- 1¥ )
,
LI to
logistic analysis
•
Decision levels :
level
long 3
:
term L
long strategic >
yr )
ˢh°ᵗᵗ↓{ tactical level midterm 11-3 yr ) inventory management
:
:
Transportation management
operational level :
short term l -
yr )
l
sometimes everyday or every
minute
, Lecture 2 Demand Forecast
[ Time Series Method 7-
Stationary time series
-
1.
moving average
2.
exponential smoothing
'
Ft -11=2 Dtt 4- 2) Fo
Ft-11=-7%24 -
d)
i
Dt i
-
[ Trend -
Based I
3-
Foti
Holt 's method for
=
St -1Gt
exponential smoothing
St = ✗ Dtt 4- 2) Lst -1 -1Gt -1 )
{ Gt =P 1St St -1 ) -1 Ll -
-
B) Gt -1
4. regression
4- at bx
{ b=§¥×
a -_ñ¥ Di -
b- 1¥ )
,
