Tstatistic, or squared multiple correlation coefficient, is a standard tool in .... Figure 2: Effect of adding one observation (0,y) to a data cloud on the value of R. 1 .... If the denominator in the above expression equals zero, then by convention R. 1.
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0.9 0.8 R2 0.7 0.6 0.5
0.5
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0.8
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Influence of an outlier in x-direction
1.0
Influence of an outlier in y-direction
-4
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LMS: Influence of an outlier in x-direction
R2
0.70
0.80
0.80
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LMS: Influence of an outlier in y-direction 0.90
x
0.70
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BS: Influence of an outlier in y-direction
BS: Influence of an outlier in x-direction
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0.90
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-4
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2
4
-4
y
-2
0
2
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