HP 12c Platinum - Page 88

88 Forecasting
Forecasting with exponential smoothing involves selecting the best smoothing factor
based on historical data and then using the factor for updating subsequent data and
forecasting. This procedure uses the following HP 12C Platinum program:
12c platinum / 12C
RPN KEYSTROKES
DISPLAY
12c platinum
ALG KEYSTROKES
DISPLAY
fs fs
fCLEARÎ
000,
fCLEARÎ
000,
\
001, 36
?7
001, 44 7
\
002, 36
-
002, 30
:6
003, 45 6
:6
003, 45 6
-
004, 30
³
004, 36
\
005, 36
t
005, 31
§
006, 20
g’
006, 43 20
?+4
007,44 40 4
?+4
007,44 40 4
gF
008, 43 40
:7
008, 45 7
t
009, 31
§
009, 20
d
010, 33
:0
010, 45 0
d
011, 33
³
011, 36
:0
012, 45 0
:2
012, 45 2
§
013, 20
§
013, 20
:2
014, 45 2
:1
014, 45 1
:1
015, 45 1
+
015, 40
§
016, 20
~
016, 34
+
017, 40
-
017, 30
:2
018, 45 2
:2
018, 45 2
Þ
019, 16
§
019, 20
~
020, 34
?+2
020,44 40 2
?2
021, 44 2
:0
021, 45 0
+
022, 40
³
022, 36
:0
023, 45 0
:3
023, 45 3
§
024, 20
§
024, 20
:1
025, 45 1
:1
025, 45 1
:3
026, 45 3
+
026, 40
§
027, 20
~
027, 34
+
028, 40
z
028, 10
?3
029, 44 3
?3
029, 44 3
:1
030, 45 1
:0
030, 45 0
§
031, 20
+
031, 40
:0
032, 45 0
:2
032, 45 2
z
033, 10
-
033, 30
:2
034, 45 2
?6
034, 44 6
+
035, 40
:3
035, 45 3
?5
036, 44 5
³
036, 36
:3
037, 45 3
?5
037, 44 5