Shortcut: LANDMARK_SELECT_RANDOM
| Module | landmarks |
|---|---|
| Description | Usage |
| Select a random set of landmarks from a large set of configurations. |   |
Output components
This action can calculate the values in the following table when the associated keyword is included in the input for the action. These values can be referenced elsewhere in the input by using this Action’s label followed by a dot and the name of the value required from the list below.
| Name | Type | Keyword | Description |
|---|---|---|---|
| data | matrix | ARG | the data that is being collected by this action |
| logweights | vector | ARG | the logarithms of the weights of the data points |
| rectdissims | matrix | DISSIMILARITIES | a rectangular matrix containing the distances between the landmark points and the rest of the points |
| sqrdissims | matrix | DISSIMILARITIES | a square matrix containing the distances between each pair of landmark points |
Further details and examples
Text from manual goes here
Syntax
The following table describes the keywords and options that can be used with this action
| Keyword | Type | Default | Description |
|---|---|---|---|
| NLANDMARKS | compulsory | none | the numbe rof landmarks you would like to create |
| ARG | optional | not used | the COLLECT_FRAMES action that you used to get the data |
| DISSIMILARITIES | optional | not used | the matrix of dissimilarities if this is not provided the squared dissimilarities are calculated |
| SEED | optional | not used | a random number seed |
| NOVORONOI | optional | false | do not do a Voronoi analysis of the data to determine weights of final points |
| NODISSIMILARITIES | optional | false | do not calculate the dissimilarities |