E-30
In the REG Mode:
1
(Lin)
A
B
1
(Scl)
<
(Stat clear)
10
P
1003
S
Each time you press
S
to register your input,
the number of data input up to that point is
indicated on the display (
n
value).
15
P
1005
S
20
P
1010
S
25
P
1011
S
30
P
1014
S
Regression Coefficient A =
997.4
A
X
r
r
1
<
Regression Coefficient B =
0.56
A
X
r
r
2
<
Correlation Coefficient
r
=
0.982607368
A
X
r
r
3
<
Atmospheric Pressure at 18
°
C =
1007.48
18
A
X
r
r
r
2
<
Temperature at 1000 hPa =
4.642857143
1000
A
X
r
r
r
1
<
Coefficient of Determination =
0.965517241
A
X
r
r
3
K
<
Sample Covariance =
35
E
A
U
r
3
,
A
U
3
-
A
X
1
-
A
X
r
1
F
\
E
A
U
3
,
1
F
<
u
Logarithmic, Exponential, Power, and Inverse Regression
• Use the same key operations as linear regression to recall results for
these types of regression.
• The following shows the regression formulas for each type of regression.
Logarithmic Regression
y
A
B
ⴢ
In
x
Exponential Regression
y
A
ⴢ
e
B
·
x
(In
y
In A + B
x
)
Power Regression
y
A
ⴢ
x
B
(In
y
In A + BIn
x
)
Inverse Regression
y
A
B
ⴢ
1
/
x
1.
n=
REG
