MatrixRowStats (baseCode 1.1.19 API)

java.lang.Object
- ubic.basecode.math.MatrixRowStats

```
public class MatrixRowStats
extends Object
```
Convenience functions for getting row statistics from matrices.

Author:

Paul Pavlidis

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static cern.colt.matrix.DoubleMatrix1D`	`means(cern.colt.matrix.DoubleMatrix2D e)`	Calculate the means of a matrix's rows
`static <R,C> cern.colt.list.DoubleArrayList`	`means(DoubleMatrix<R,C> M)`	Calculates the means of a matrix's rows.
`static <R,C> cern.colt.list.DoubleArrayList`	`sampleStandardDeviations(DoubleMatrix<R,C> M)`	Calculates the sample standard deviation of each row of a matrix
`static <R,C> cern.colt.list.DoubleArrayList`	`sumOfSquares(DoubleMatrix<R,C> M)`	Calculates the sum of squares for each row of a matrix
`static <R,C> cern.colt.list.DoubleArrayList`	`sums(DoubleMatrix<R,C> M)`	Calculate the sums of a matrix's rows.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - means
```
public static <R,C> cern.colt.list.DoubleArrayList means(DoubleMatrix<R,C> M)
```
    Calculates the means of a matrix's rows.
    
    Parameters:
    
    M - DoubleMatrixNamed
    
    Returns:
    
    DoubleArrayList
  - means
```
public static cern.colt.matrix.DoubleMatrix1D means(cern.colt.matrix.DoubleMatrix2D e)
```
    Calculate the means of a matrix's rows
    
    Parameters:
    
    e - matrix. Missing values are ignored.
    
    Returns:
    
    vector of length equal to number of e's rows
  - sampleStandardDeviations
```
public static <R,C> cern.colt.list.DoubleArrayList sampleStandardDeviations(DoubleMatrix<R,C> M)
```
    Calculates the sample standard deviation of each row of a matrix
    
    Parameters:
    
    M - DoubleMatrixNamed
    
    Returns:
    
    DoubleArrayList
  - sumOfSquares
```
public static <R,C> cern.colt.list.DoubleArrayList sumOfSquares(DoubleMatrix<R,C> M)
```
    Calculates the sum of squares for each row of a matrix
    
    Parameters:
    
    M - DoubleMatrixNamed
    
    Returns:
    
    DoubleArrayList
  - sums
```
public static <R,C> cern.colt.list.DoubleArrayList sums(DoubleMatrix<R,C> M)
```
    Calculate the sums of a matrix's rows.
    
    Parameters:
    
    M - DoubleMatrixNamed
    
    Returns:
    
    DoubleArrayList