Click on a nut name for more details.

Network wrapping

Data reading

  • DplyToList : convert DplyDataframe to list.
  • ReadImage : load image as numpy array from file system.
  • ReadLabelDirs : read file paths from label directories.
  • ReadPandas : read data as Pandas table from file system.

Data writing

  • WriteImage : write images to file system.

Data viewing

Sample processing

  • ConvertLabel : convert between string labels and integer class ids.
  • CheckNaN : raise exception if data contains NaNs.
  • PartitionByCol : partition samples depending on column value.
  • SplitRandom : randomly split iterable into partitions, e.g. training, validation, test.
  • Stratify : stratifies samples by down-sampling or up-sampling.

Transforming & Augmenting


  • Boost : boost samples with high confidence for incorrect class.


  • BuildBatch : build batches for GPU-based training.


  • PlotLines : plot lines for selected data columns, e.g. accuracy, loss.