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December 11, 2019 00:15
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Code Snippets for saving and loading different machine learning models
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#Keras Models | |
#---Save---# | |
json_file = model.to_json() | |
with open(json_file_path, "w") as file: | |
file.write(json_file) | |
model.save_weights(h5_file) | |
#---Load---# | |
from keras.models import model_from_json | |
file = open(json_file, 'r') | |
model_json = file.read() | |
file.close() | |
loaded_model = model_from_json(model_json) | |
loaded_model.load_weights(h5_file) | |
#Scikit-Learn Models | |
#---Save---# | |
from sklearn.linear_model import LogisticRegression | |
import pickle | |
model = LogisticRegression() | |
model.fit(xtrain, ytrain) | |
pickle.dump(model, open(model_file_path, 'wb')) | |
#---Load---# | |
model = pickle.load(open(model_file_path, 'rb')) | |
result_val = model.score(xval, yval) | |
result_test = model.score(xtest, ytest) | |
#StatsModel Models | |
#---Save---# | |
import statsmodels.api as sm | |
model = sm.tsa.ARIMA([1,5,9,12], order=(1, 0, 1)) | |
my_model= model.fit() | |
my_model.save(myfile) | |
#---Load---# | |
from statsmodels.tsa.arima_model import ARIMAResults | |
loaded = ARIMAResults.load(my_file) |
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