The RegressionStatistics property returns a RegressionStatistics object that contains the statistical results of a regression model. When a trend line is not regressive or the solution of a regression does not exist for current data, the RegressionStatistics property returns Nothing (VB) or null (C#).
The following table defines the values used in statistical equations:
|
Value |
Definition |
|
n |
Number of points. |
|
nt |
Number of regression coefficients. |
|
x values |
|
|
y values |
|
|
mean y value |
|
|
Fitted y values |
|
The following table displays the name, description, and formula for each member in the RegressionStatistics object:
|
Name |
Description |
Formula |
Formula(UseYIntercept=true) |
|
Ssr |
The sum of squares due to regression |
|
|
|
Sse |
The sum of squares due to error |
|
|
|
Rsq |
The coefficient of determination (R-squared) |
|
|
|
DF |
The degrees of freedom |
|
|
|
F |
The F-observed(F-statistic) value |
|
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