Correlation Matrix on variables

Compute correlation matrix on variables contained in a Db and produce the results in a convenient output format (Vector or a Matrix). More...

Functions
GSTLEARN_EXPORT VectorDouble	dbStatisticsCorrelByUID (Db *db, const VectorInt &iuids, bool flagIso=true)
	Compute correlation matrix on variables contained in a Db and produce the results in a convenient output format (Vector or a Matrix). More...
GSTLEARN_EXPORT VectorDouble	dbStatisticsCorrel (Db *db, const VectorString &names, bool flagIso=true)
	Compute correlation matrix on variables contained in a Db and produce the results in a convenient output format (Vector or a Matrix). More...
GSTLEARN_EXPORT MatrixSquareSymmetric	dbStatisticsCorrelT (Db *db, const VectorString &names, bool flagIso=true)
	Compute correlation matrix on variables contained in a Db and produce the results in a convenient output format (Vector or a Matrix). More...

Detailed Description

Compute correlation matrix on variables contained in a Db and produce the results in a convenient output format (Vector or a Matrix).

Parameters

db	Db structure
flagIso	Restrain statistics to isotopic samples

Function Documentation

dbStatisticsCorrel()

GSTLEARN_EXPORT VectorDouble dbStatisticsCorrel	(	Db *	db,
		const VectorString &	names,
		bool	flagIso
	)

Compute correlation matrix on variables contained in a Db and produce the results in a convenient output format (Vector or a Matrix).

Parameters

db	Db structure
flagIso	Restrain statistics to isotopic samples
names	Vector of names for the target variables

Returns

A vector of values containing the correlation matrix

dbStatisticsCorrelByUID()

GSTLEARN_EXPORT VectorDouble dbStatisticsCorrelByUID	(	Db *	db,
		const VectorInt &	iuids,
		bool	flagIso
	)

Compute correlation matrix on variables contained in a Db and produce the results in a convenient output format (Vector or a Matrix).

Parameters

db	Db structure
flagIso	Restrain statistics to isotopic samples
iuids	Vector of UIDs for the target variables

Returns

A vector of values containing the correlation matrix

dbStatisticsCorrelT()

GSTLEARN_EXPORT MatrixSquareSymmetric dbStatisticsCorrelT	(	Db *	db,
		const VectorString &	names,
		bool	flagIso
	)

Compute correlation matrix on variables contained in a Db and produce the results in a convenient output format (Vector or a Matrix).

Parameters

db	Db structure
flagIso	Restrain statistics to isotopic samples
names	Vector of names for the target variables

Returns

A square symmetric matrix