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Drawing a Logi tic Regre
Logistic regression is best for data whose values continually increase over time, until a
saturation point is reached.
Cla
Pad Operation
Start the graphing operation from the Statistics application's Graph window or List window.
From the Graph window
Tap [Calc] [Logistic 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: LogisticR
Tap
to draw the graph.
The following is the logistic regression model formula.
c
y
=
a
e
1 +
·
1
• MSe =
n – 2
Tip
• Certain types of data may cause calculation to take a long time. This is normal and does not
indicate malfunction.
Graphing Paired-Variable Statistical Data
ion Graph (
.
·
–b
x
n
C
–
y
i
·
1 + a·e
–b
x
i
i=1
7-5-14
c
y
=
a
e
1 +
·
·
–b
x
.
2
20060301
)
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