def reduceLayerDimensionality(layer,index,inputDict):
if layer.name.startswith(inputDict['ValidDimLayers']): # Must be either a single string or tuple of strings
weights = layer.get_weights()
pcaObj = PCA(matrix=weights[0])
weights[0] = pcaObj.filterMatrix(n=pcaObj.computeTargetPCs(targetRatio=inputDict['targetRatio']))
layer.set_weights(weights)
message = "Layer {}: Reduced layer dimensionality".format(index)
else:
message = "Layer {}: Dimensionality unchanged".format(index)
return(message)
