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Drawing a Sinu oidal Regre
Sinusoidal regression is best for data that repeats at a regular fixed interval over time.
Cla
Pad Operation
Start the graphing operation from the Statistics application's Graph window or List window.
From the Graph window
Tap [Calc] [Sinusoidal Reg] [OK] [OK]
From the Li t window
Tap [SetGraph][Setting...], or
On the Set StatGraphs dialog box that appears, configure a StatGraph setup with the
setting shown below, and then tap [Set].
Type: SinR
Tap
to draw the graph.
The following is the sinusoidal regression model formula.
y
a
b
x
=
·sin(
·
1
• MSe =
n – 2
Tip
• Make sure that "Radian" is selected for the [Angle] setting on the Basic Format dialog box (page
1-9-4) before drawing a sinusoidal regression graph. The graph cannot be drawn correctly when
the [Angle] setting is "Degree".
• Certain types of data may cause calculation to take a long time. This is normal and does not
indicate malfunction.
7-5-13
Graphing Paired-Variable Statistical Data
ion Graph (
.
c
d
+
) +
n
(y
– (a·sin (b·x
i
i
i=1
y
a
b
=
· in(
.
2
+ c) + d ))
20060301
x
c
d
·
+
) +
)
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