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E-30
In the REG Mode:
1
(Lin)
A B 1
(Scl) <
(Stat clear) 10 P1003 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 P1010 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 ѿ B
ؒ
In x
Exponential Regression y ҃ A
ؒ
e
B
·
x
(In y ҃ In A + Bx)
Power Regression y ҃ A
ؒ
x
B
(In y ҃ In A + BIn x)
Inverse Regression y ҃ A ѿ B
ؒ
1
/x
1.
n=
REG