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20070201
k
Linear Regression Graph
Linear regression uses the method of least squares to plot a straight line that passes close to
as many data points as possible, and returns values for the slope and
y
-intercept
(
y
-coordinate when
x
= 0) of the line.
The graphic representation of this relationship is a linear regression graph.
1
(CALC)
2
(X)
6
(DRAW)
The following is the linear regression model formula.
y
=
ax
+
b
a
..............regression coeffi cient (slope)
b
..............regression constant term (
y
-intercept)
r
..............correlation coeffi cient
r
2
.............coeffi cient of determination
MSe
........mean square error
k
Med-Med Graph
When it is suspected that there are a number of extreme values, a Med-Med graph can be
used in place of the least squares method. This is similar to linear regression, but it
minimizes the effects of extreme values.
1
(CALC)
3
(Med)
6
(DRAW)
The following is the Med-Med graph model formula.
y
=
ax
+
b
a
...............Med-Med graph slope
b
...............Med-Med graph
y
-intercept
6-3-6
Calculating and Graphing Paired-Variable Statistical Data
# Input a positive integer for frequency data.
Other types of values (decimals, etc.) cause
an error.
Содержание CFX-9850GB PLUS
Страница 19: ...20070201 4 Contents Appendix 1 Error Message Table α 1 1 2 Input Ranges α 2 1 ...
Страница 335: ...20070201 u Input Example u Results 6 5 25 Tests ...
Страница 361: ...20070201 Calculation Result Output Example p F distribution probability 6 7 15 Distribution ...
Страница 435: ...20070201 8 8 2 Program Library egcw w ww w ...
Страница 437: ...20070201 8 8 4 Program Library Example 1 Example 2 fw fw baw baw bf ca w w ...
Страница 439: ...20070201 8 8 6 Program Library d wba wb w w ...
Страница 441: ...20070201 8 8 8 Program Library dw fcde fcde w wfcde daw wfcde w ...
Страница 443: ...20070201 8 8 10 Program Library b awaw bwaw aw x d w ...
Страница 591: ...20070201 Appendix 1 Error Message Table 2 Input Ranges α ...
Страница 599: ...CASIO Europe GmbH Bornbarch 10 22848 Norderstedt Germany This mark applies in EU countries only ...