Esempio n. 1
0

####################### SET MODEL TRAINING #############################
sampleSize = '0'  # choose between 0 to 2. 0 correspondes to 50D, 1 to 100D, 2 to 200D. 3 to 5 is also available but for generation based scaling
loss='WCategoricalCrossentropy' # loss function chosen. choose between "WCategoricalCrossentropy" or "categorical_crossentropy". WCategoricalCrossentropy is the expected loss described in the thesis.



######################THESE PARAMETERS ARE FIXED #########################
esconfig = [0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1] 
#performance = Performance()

timeSteps = 2  # the number of time steps for the LSTM network
precision_value = 'ert-2'

#set to precision value to negative 2
result = Result(ert_column=precision_value)

#load the performance and ELA files generated from data gathering
performance = pd.read_csv("./perf/DataGathering_performance.csv")
ela = pd.read_csv("./perf/DataGathering_elaFeatures.csv")

result.addPerformance(performance)
result.addELA(ela)

#this could sometimes fail if the training sample does not contain at least two time steps. This could happen if the CMA-ES finds the optimal value before the 2nd checkpoint
Xtrain, Ytrain = result.createTrainSet(dataset=sampleSize, algorithm=None, reset=False, interface=None, RNN=timeSteps)


model = Models(Xtrain,Ytrain,_shuffle=False)
model.trainLSTM(stepSize=timeSteps, size=sampleSize, loss=loss, precision_value=precision_value)
Esempio n. 2
0
                   localSearch=None)
    suite.runDataGathering()
    performance.saveToCSVPerformance('DataGathering')
    performance.saveToCSVELA('DataGathering')

####################### Data Preprocessing #############################
sampleSize = '2'  # choose between 0 to 2. 0 correspondes to 50D, 1 to 100D, 2 to 200D. 3 to 5 is also available but for generation based scaling
timeSteps = 2  # the number of time steps for the LSTM network

result = Result()

#load the performance and ELA files generated from data gathering
performance = pd.read_csv("./perf/DataGathering_performance.csv")
ela = pd.read_csv("./perf/DataGathering_elaFeatures.csv")

result.addPerformance(performance)
result.addELA(ela)

#this could sometimes fail if the training sample does not contain at least two time steps. This could happen if the CMA-ES finds the optimal value before the 2nd checkpoint
Xtrain, Ytrain = result.createTrainSet(dataset=sampleSize,
                                       algorithm=None,
                                       reset=False,
                                       interface=None,
                                       RNN=timeSteps)

####################### Model Training #############################
loss = 'WCategoricalCrossentropy'  # loss function chosen. choose between "WCategoricalCrossentropy" or "categorical_crossentropy". WCategoricalCrossentropy is the expected loss described in the thesis.

model = Models(Xtrain, Ytrain, _shuffle=False)
model.trainLSTM(stepSize=timeSteps, size=sampleSize, loss=loss)