Sets the data matrix to associate with the mapper.
| data | either a matrix, a function, or a data set name. See details. |
|---|---|
| ... | additional parameters to pass to the filter function. |
This function sets the data for the Mapper to work on. If data is a string,
it must be one of the (illustrative) data sets listed in data(package="Mapper").
Otherwise, data must be either a matrix of coordinate values, a function that returns a matrix of
coordinate values.