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Data Analysis and Statistics for Geography, Environmental Science, and Engineering
book

Data Analysis and Statistics for Geography, Environmental Science, and Engineering

by Miguel F. Acevedo
December 2012
Beginner content levelBeginner
557 pages
19h 5m
English
CRC Press
Content preview from Data Analysis and Statistics for Geography, Environmental Science, and Engineering
182 Data Analysis and Statistics for Geography, Environmental Science, and Engineering
We can substitute our prior result given in Equation 6.16 for b
0
to obtain
bx
b
n
x
n
yx xy
iii
i
n
i
n
ii
i
i
n
i
n
i
n
1
2
1
1
11
11
1
0+− +
−=
=
==
==
∑∑
∑∑∑
(6.20)
Now separate terms in b
1
bx
n
x
n
yx xy
ii
i
n
i
n
i
i
n
i
i
n
ii
1
2
1
2
11
1
11
=− +
=
==
=
∑∑
ii
n
=
1
(6.21)
Finally solve for b
1
b
xy
n
yx
x
n
x
ii
i
n
i
i
n
i
i
n
i
i
n
i
i
n
1
11
1
2
11
2
1
1
=
==
=
==
∑∑
∑∑
(6.22)
Once b
1
is calculated using Equation 6.22, then we can calculate b
0
using Equation 6.16 repeated
now for easy reference
b
b
n
x
n
y
ii
i
n
i
n
0
1
11
1
=− +
==
∑∑
(6.23)
Once we have values for slope and intercept, then we can draw the regression line on the ...
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Publisher Resources

ISBN: 9781439885017