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java.lang.Object Facemorph.tensor.AutoRegressor
public class AutoRegressor
Class to implement auto regression, not completed
Field Summary | |
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static int |
AR_BEST
Best AR |
static int |
AR_MEAN
Mean AR |
static int |
AR_ZERO
Zero mean AR |
Constructor Summary | |
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AutoRegressor()
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AutoRegressor(java.util.LinkedList<java.util.LinkedList<double[]>> data,
int windowSize,
int arConstant)
Method to calculate the regression coefficients |
Method Summary | |
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static void |
add(double[] dest,
double[] src,
double weight)
Add a weighted amount of src to dest |
static double |
dotProduct(double[] a,
double[] b)
Dot product between two vectors |
double[] |
predict(java.util.LinkedList<double[]> previous)
Predict method |
void |
read(java.io.InputStream dis)
Read from an InputStream |
boolean |
read(java.io.StreamTokenizer st)
Read auto regression data |
java.util.LinkedList<double[]> |
test(java.util.LinkedList<double[]> original)
Test method -finds the difference between the prediction and actual for each frame |
java.util.LinkedList<double[]> |
transform(java.util.LinkedList<double[]> original,
AutoRegressor targetAr)
Transform method |
void |
write(java.io.PrintStream ps)
Write to a PrintStream |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final int AR_ZERO
public static final int AR_MEAN
public static final int AR_BEST
Constructor Detail |
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public AutoRegressor()
public AutoRegressor(java.util.LinkedList<java.util.LinkedList<double[]>> data, int windowSize, int arConstant)
data
- The list of data vectors in orderwindowSize
- The size of the window to use in the regressionarConstant
- indicates whether to use zero, the mean or the best constant vectorMethod Detail |
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public void write(java.io.PrintStream ps)
ps
- the PrintStream to write topublic void read(java.io.InputStream dis)
dis
- the InputStream to read frompublic boolean read(java.io.StreamTokenizer st)
st
- the StreamTokenizer to read from
public static double dotProduct(double[] a, double[] b)
a
- the first vectorb
- the second vector
public static void add(double[] dest, double[] src, double weight)
dest
- the dest vectorsrc
- the src vectorweight
- the amount of src to add to destpublic double[] predict(java.util.LinkedList<double[]> previous)
previous
- set of vectors
public java.util.LinkedList<double[]> transform(java.util.LinkedList<double[]> original, AutoRegressor targetAr)
original
- the original vectortargetAr
- the auto regression
public java.util.LinkedList<double[]> test(java.util.LinkedList<double[]> original)
original
- the original vector
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