Configuration

One of the types of objects in PRAAT.

An object of type Configuration represents the positions of a number of labelled points in a multidimensional space.

How to create a Configuration

From the New menu:

  • Create Configuration...

By multidimensional scaling:

  • Dissimilarity: To Configuration (monotone mds)...
  • Dissimilarity: To Configuration (i-spline mds)...
  • Dissimilarity: To Configuration (interval mds)...
  • Dissimilarity: To Configuration (ratio mds)...
  • Dissimilarity: To Configuration (absolute mds)...

By multidimensional scaling with weights (Dissimilarity & Weight: To Configuration...):

  • Dissimilarity & Weight: To Configuration (monotone mds)...
  • Dissimilarity & Weight: To Configuration (i-spline mds)...
  • Dissimilarity & Weight: To Configuration (interval mds)...
  • Dissimilarity & Weight: To Configuration (ratio mds)...
  • Dissimilarity & Weight: To Configuration (absolute mds)...

By multidimensional scaling with a start Configuration:

  • Dissimilarity & Configuration: To Configuration (monotone mds)...
  • Dissimilarity & Configuration: To Configuration (i-spline mds)...
  • Dissimilarity & Configuration: To Configuration (interval mds)...
  • Dissimilarity & Configuration: To Configuration (ratio mds)...
  • Dissimilarity & Configuration: To Configuration (absolute mds)...

By transforming an existing Configuration:

  • Configuration: To Configuration (varimax)...
  • Configuration & AffineTransform: To Configuration
  • Configuration & Procrustes: To Configuration

From Principal component analysis:

  • TableOfReal: To Configuration (pca)...
  • PCA & TableOfReal: To Configuration...

From Discriminant analysis:

TableOfReal: To Configuration (lda)...
  • Discriminant & TableOfReal: To Configuration...

How to draw a Configuration

How to modify a Configuration

Inside a Configuration

With Inspect you will see the following attributes:

numberOfRows
the number of points (numberOfPoints≥1).
numberOfColumns
the dimension of the space (numberOfDimensions≥1).
rowLabels
the names associated with the points.
columnLabels
the names for the dimensions.
data [1..numberOfPoints][1..numberOfDimensions]
the coordinates of the points.
metric
determines the way distances between points are measured. In general the distance between points xi and xj is:
dij = (∑k=1..numberOfDimensions wk |xikxjk|metric)1/metric
For Euclidean distances metric is 2.
w [1..numberOfDimensions]
weight given to each dimension in the distance calculation.

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© djmw, November 2, 2010