Phosphorus and the Kawartha Lakes - Lakefield Herald
Phosphorus and the Kawartha Lakes - Lakefield Herald
Phosphorus and the Kawartha Lakes - Lakefield Herald
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Chapter 4 Regressions<br />
Buffer<br />
Bivariate Fit of Average P (ug/l) By water<br />
22.5<br />
20<br />
Bivariate Fit of Average P (ug/l) By freshwater marsh<br />
22.5<br />
20<br />
Average P (ug/l)<br />
17.5<br />
15<br />
12.5<br />
Average P (ug/l)<br />
17.5<br />
15<br />
12.5<br />
10<br />
10<br />
7.5<br />
0 .05 .1 .15 .2 .25 .3<br />
water<br />
7.5<br />
-0.05 0 .05 .1 .15 .2<br />
freshwater marsh<br />
Linear Fit<br />
Linear Fit<br />
Linear Fit<br />
Linear Fit<br />
Average P (ug/l) = 17.218686 - 25.859637 water<br />
Average P (ug/l) = 14.356731 + 15.674806 freshwater marsh<br />
Summary of Fit<br />
Summary of Fit<br />
RSquare<br />
RSquare Adj<br />
Root Mean Square Error<br />
Mean of Response<br />
Observations (or Sum Wgts)<br />
Source<br />
Model<br />
Error<br />
C. Total<br />
Term<br />
Intercept<br />
water<br />
0.138184<br />
0.042427<br />
4.196578<br />
14.83559<br />
11<br />
DF<br />
1<br />
9<br />
10<br />
Sum of Squares<br />
25.41420<br />
158.50138<br />
183.91558<br />
Mean Square<br />
25.4142<br />
17.6113<br />
F Ratio<br />
1.4431<br />
Prob > F<br />
0.2603<br />
Parameter Estimates<br />
Estimate<br />
Std Error<br />
t Ratio<br />
Prob>|t|<br />
17.218686<br />
2.352976<br />
-25.85964<br />
21.5268<br />
RSquare<br />
RSquare Adj<br />
Root Mean Square Error<br />
Mean of Response<br />
Observations (or Sum Wgts)<br />
Analysis of Variance<br />
Analysis of Variance<br />
Source<br />
Model<br />
Error<br />
C. Total<br />
7.32<br />
F<br />
0.5645<br />
Parameter Estimates<br />
Term<br />
Estimate<br />
Std Error<br />
t Ratio<br />
Prob>|t|<br />
14.356731<br />
1.55805<br />
9.21<br />
F<br />
0.6910<br />
Estimate<br />
Std Error<br />
t Ratio<br />
Prob>|t|<br />
15.760883<br />
2.627305<br />
6.00<br />
0.0002<br />
-22.60814<br />
55.06574<br />
-0.41<br />
0.6910<br />
Linear Fit<br />
Linear Fit<br />
Average P (ug/l) = 18.429601 - 44.414975 mixed forest mainly coniferous<br />
Summary of Fit<br />
RSquare<br />
0.192555<br />
RSquare Adj<br />
0.102839<br />
Root Mean Square Error<br />
4.062043<br />
Mean of Response<br />
14.83559<br />
Observations (or Sum Wgts)<br />
11<br />
Analysis of Variance<br />
Source<br />
Model<br />
Error<br />
C. Total<br />
DF<br />
1<br />
9<br />
10<br />
Sum of Squares<br />
35.41382<br />
148.50176<br />
183.91558<br />
Mean Square<br />
35.4138<br />
16.5002<br />
Parameter Estimates<br />
Term<br />
Intercept<br />
mixed forest mainly coniferous<br />
F Ratio<br />
2.1463<br />
Prob > F<br />
0.1770<br />
Estimate<br />
Std Error<br />
t Ratio<br />
Prob>|t|<br />
18.429601<br />
2.741958<br />
6.72<br />
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