The FindBestWavelet node in SciCraft is used to determine which wavelet basis is the best to use for a data set[2,3]. The node has one input:
X: the raw data matrix. Each row is an object and each column contains the different variables (features)
Source: This node is using tools from the WavelLab toolbox which
can be downloaded from http://www-stat.stanford.edu/~wavelab/