Package org.datavec.api.io.labels

Interface Summary

Interface	Description
PathLabelGenerator	PathLabelGenerator: interface to infer the label of a file directly from the path of a file Example: /negative/file17.csv -> class "0"; /positive/file116.csv -> class "1" etc. Though note that the output is a writable, hence it need not be numerical.
PathMultiLabelGenerator	PathMultiLabelGenerator: interface to infer the label(s) of a file directly from the URI/path Similar to PathLabelGenerator, with 2 main differences: (a) Can be used for multi-label, multi-class classification (i.e., return *multiple* NDArray writables, for use in networks with multiple output layers) (b) Does not support inferring label classes Regarding (b) above, this means that the implementations of PathMultiLabelGenerator typically need to (for classification use cases) do one of two things (either will work, though down-stream usage of these arrays can vary slightly): (a) Perform label to integer index assignment (i.e., return an IntWritable(0) for A, if you have 3 classes {A,B,C}) (b) Create a one-hot NDArrayWritable.

Class Summary

Class	Description
ParentPathLabelGenerator	Returns as label the base name of the parent file of the path (the directory).
PatternPathLabelGenerator	Returns a label derived from the base name of the path.