Class for computing and storing correlations and similarities
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Public Member Functions |
void | AddEntity (int entity_id) |
| Add an entity to the ICorrelationMatrix by growing it to the requested size.
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| AsymmetricCorrelationMatrix (int num_entities) |
| Creates a CorrelationMatrix object for a given number of entities
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virtual IMatrix< T > | CreateMatrix (int num_rows, int num_columns) |
| Create a matrix with a given number of rows and columns
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void | Resize (int num_rows) |
| Resize to the given size
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void | Resize (int num_rows, int num_cols) |
| Grows or shrinks the matrix to the requested size, if necessary
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| SparseMatrix (int num_rows, int num_cols) |
| Create a sparse matrix with a given number of rows
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virtual IMatrix< T > | Transpose () |
| Get the transpose of the matrix, i.e. a matrix where rows and columns are interchanged
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void | Write (StreamWriter writer) |
| Write out the correlations to a StreamWriter
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Protected Attributes |
int | num_entities |
| Number of entities, e.g. users or items
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Properties |
override bool | IsSymmetric [get] |
| returns false
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virtual IList< Tuple< int, int > > | NonEmptyEntryIDs [get] |
| The row and column IDs of non-empty entries in the matrix
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int | NumberOfColumns [get, set] |
virtual int | NumberOfNonEmptyEntries [get] |
| The number of non-empty entries in the matrix
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int | NumberOfRows [get] |
int | NumEntities [get] |
virtual T | this[int x, int y] [get, set] |
| Access the elements of the sparse matrix
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Dictionary< int, T > | this[int x] [get] |
| Get a row of the matrix
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Detailed Description
Class for computing and storing correlations and similarities
Constructor & Destructor Documentation
Creates a CorrelationMatrix object for a given number of entities
- Parameters
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num_entities | number of entities |
Member Function Documentation
void AddEntity |
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int |
entity_id | ) |
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inline |
Add an entity to the ICorrelationMatrix by growing it to the requested size.
Note that you still have to correctly compute and set the entity's correlation values
- Parameters
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entity_id | the numerical ID of the entity |
Implements ICorrelationMatrix.
virtual IMatrix<T> CreateMatrix |
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int |
num_rows, |
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int |
num_columns |
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) |
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inlinevirtualinherited |
void Resize |
( |
int |
num_rows, |
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int |
num_cols |
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) |
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inlineinherited |
Grows or shrinks the matrix to the requested size, if necessary
The new entries are filled with zeros. Obsolete entries are removed.
- Parameters
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num_rows | the number of rows |
num_cols | the number of columns |
Implements IMatrix< T >.
SparseMatrix |
( |
int |
num_rows, |
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int |
num_cols |
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) |
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inlineinherited |
Create a sparse matrix with a given number of rows
- Parameters
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num_rows | the number of rows |
num_cols | the number of columns |
virtual IMatrix<T> Transpose |
( |
| ) |
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inlinevirtualinherited |
Get the transpose of the matrix, i.e. a matrix where rows and columns are interchanged
- Returns
- the transpose of the matrix (copy)
Implements IMatrix< T >.
void Write |
( |
StreamWriter |
writer | ) |
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inline |
Member Data Documentation
Number of entities, e.g. users or items
Property Documentation
virtual IList<Tuple<int, int> > NonEmptyEntryIDs |
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getinherited |
The row and column IDs of non-empty entries in the matrix
The row and column IDs of non-empty entries in the matrix
virtual int NumberOfNonEmptyEntries |
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getinherited |
The number of non-empty entries in the matrix
The number of non-empty entries in the matrix
virtual T this[int x, int y] |
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getsetinherited |
Access the elements of the sparse matrix
- Parameters
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x | the row ID |
y | the column ID |
Dictionary<int, T> this[int x] |
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getinherited |
Get a row of the matrix
- Parameters
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The documentation for this class was generated from the following file:
- AsymmetricCorrelationMatrix.cs