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java.lang.Objectweka.core.matrix.LinearRegression
public class LinearRegression
Class for performing (ridged) linear regression.
| Constructor Summary | |
|---|---|
LinearRegression(Matrix a,
Matrix y,
double ridge)
Performs a (ridged) linear regression. |
|
LinearRegression(Matrix a,
Matrix y,
double[] w,
double ridge)
Performs a weighted (ridged) linear regression. |
|
| Method Summary | |
|---|---|
double[] |
getCoefficients()
returns the calculated coefficients |
java.lang.String |
getRevision()
Returns the revision string. |
java.lang.String |
toString()
returns the coefficients in a string representation |
| Methods inherited from class java.lang.Object |
|---|
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
|---|
public LinearRegression(Matrix a,
Matrix y,
double ridge)
a - the matrix to perform the regression ony - the dependent variable vectorridge - the ridge parameter
java.lang.IllegalArgumentException - if not successful
public LinearRegression(Matrix a,
Matrix y,
double[] w,
double ridge)
a - the matrix to perform the regression ony - the dependent variable vectorw - the array of data point weightsridge - the ridge parameter
java.lang.IllegalArgumentException - if the wrong number of weights were
provided.| Method Detail |
|---|
public final double[] getCoefficients()
public java.lang.String toString()
toString in class java.lang.Objectpublic java.lang.String getRevision()
getRevision in interface RevisionHandler
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