def Predict(share, company, category, seqlen):
#category = 'High' # 'Low', 'Close'
# Load Data
Xtrain, Xtest, ytrain, ytest, XtrainNorm, XtestNorm = split(share,
category,
window=0.01,
train=0.60,
normalize=True)
Xtrain = np.reshape(Xtrain, (Xtrain.shape[0], Xtrain.shape[1], 1))
Xtest = np.reshape(Xtest, (Xtest.shape[0], Xtest.shape[1], 1))
# Train
layers = [1, 100, 100, 1]
nbatch = 512
epochs = 5
nvalidation = 0.05
rnn = RNN(layers, cell=RNNCell.LSTM)
rnn.fit(Xtrain,
ytrain,
batch_size=nbatch,
nb_epoch=epochs,
validation_split=nvalidation)
# Test
predicted = rnn.predict(Xtest)
mean_squared_error(ytest, predicted)
#print("Show trend")
#pplt.plot(ytest)
#pplt.plot(predicted)
#pplt.show()
#print("Show exact values")
#pplt.plot(XtestNorm[:,1])
#pplt.plot(XtestNorm[:,0]*(predicted[:,0] + 1))
#pplt.show()
#print("Show predicted sequences")
#seq = (Xtest[len(Xtest)-1]+1)*XtestNorm[len(XtestNorm)-1,0]
#predictednew, predictednewNorm = rnn.sequence(seq, 100)
#pplt.plot(predictednew)
#pplt.plot(predictednewNorm)
#pplt.show()
seq = (Xtest[len(Xtest) - 1] + 1) * XtestNorm[len(XtestNorm) - 1, 0]
predictednew, predictednewNorm = rnn.sequence(seq, seqlen)
testNorm = XtestNorm[:, 0] * (predicted[:, 0] + 1)
dataNorm = np.array([*testNorm, *predictednewNorm])
#fig = pplt.figure()
pplt.plot(XtestNorm[:, 1])
pplt.plot(dataNorm)
title = "{}{}(min={},max={})".format(company, category,
np.amin(predictednewNorm),
np.amax(predictednewNorm))
pplt.title(title)
def predict_next_from_current_share(var_share, model):
_, Xtest, _, ytest = split(var_share, 'Close', normalize=True, train=0.0)
_, ori_Xtest, _, ori_ytest = split(var_share,
'Close',
normalize=False,
train=0.0)
Xtest = np.reshape(Xtest, (Xtest.shape[0], Xtest.shape[1], 1))
# Format the Xtest
last_Xtest = Xtest[-1:]
last_Xtest = np.reshape(last_Xtest,
(last_Xtest.shape[0], last_Xtest.shape[1], 1))
# Format the ori_ytest
last_ori_ytest = ori_ytest[-1]
# Get the prediction
predict = model.predict(last_Xtest)
# convert it back
new_pre = rever_back([last_ori_ytest], [predict])[0][0][0]
return new_pre
def predict(request):
# print(request.body)
# s = json.dumps(request.body)
# data = json.loads(s)
# print(data['years'])
# print(request.body[len(request.body)-1])
os.environ["BULBEA_QUANDL_API_KEY"] = 'AENaz-R8uBmUxQsYrLzD'
quandl.ApiConfig.api_key = 'AENaz-R8uBmUxQsYrLzD'
now = datetime.datetime.now()
my_json = request.body.decode('utf8').replace("'", '"')
data = json.loads(my_json)
# dataFrameJSON = json.dumps(data["data"], indent=4, sort_keys=True)
print(data["CompanyName"])
df = pd.read_json(data["data"], orient='split')
# print(dataFrameJSON)
# print(type(df))
dates = []
prices = []
lst_for_result = []
predictionYear = 0
predictionType = data["pred_type"]
if (predictionType == 'Years'):
predictionYear = now.year + int(data["years"])
# print(df.index)
for i in df.index:
# print(str(i).split()[0].split('-')[2])
dates.append(int(str(i).split()[0].split('-')[0]))
for j in df['Close']:
prices.append(float(str(j)))
if (predictionType == 'Months'):
predictionYear = int(data["months"])
# print(df.index)
for i in df.index:
# print(str(i).split()[0].split('-')[2])
dates.append(int(str(i).split()[0].split('-')[1]))
for j in df['Close']:
prices.append(float(str(j)))
# predictionYear = now.year + int(data["years"])
# for i in df.index:
# # print(str(i).split()[0].split('-')[2])
# dates.append(int(str(i).split()[0].split('-')[0]))
# for j in df['Close']:
# prices.append(float(str(j)))
dates = np.reshape(dates, (len(dates), 1))
svr_rbf = SVR(kernel='rbf', C=1e3, gamma=0.1)
svr_rbf.fit(dates, prices)
predictedValue = svr_rbf.predict(predictionYear)
share = bb.Share(source='NSE', ticker=data["CompanyName"])
Xtrain, Xtest, ytrain, ytest = split(share, 'Close', normalize=True)
Xtrain = pd.DataFrame(Xtrain)
Xtest = pd.DataFrame(Xtest)
ytrain = pd.DataFrame(ytrain)
ytest = pd.DataFrame(ytest)
Xtrain = Xtrain.dropna(axis=0, how='any')
Xtest = Xtest.dropna(axis=0, how='any')
ytrain = ytrain.dropna(axis=0, how='any')
ytest = ytest.dropna(axis=0, how='any')
Xtrain = Xtrain.as_matrix()
Xtest = Xtest.as_matrix()
ytrain = ytrain.as_matrix()
ytest = ytest.as_matrix()
Xtrain = np.reshape(Xtrain, (Xtrain.shape[0], Xtrain.shape[1], 1))
Xtest = np.reshape(Xtest, (Xtest.shape[0], Xtest.shape[1], 1))
rnn = RNN([1, 100, 100, 1]) # number of neurons in each layer
rnn.fit(Xtrain, ytrain)
p = rnn.predict(Xtest)
mse = mean_squared_error(ytest, p)
print(mse)
fig, ax = plt.subplots()
ax.plot(ytest)
ax.plot(p)
# ax.scatter(dates, prices, color='black', label='Data')
# ax.plot(dates, svr_rbf.predict(dates), color='red', label='RBF Model')
# ax.set_xticklabels(dates, rotation=90, ha='left', fontsize=10)
dictRepPredictionGraph = mpld3.fig_to_dict(fig)
plt.savefig("/Users/rjmac/Desktop/prediction.png")
result = {}
result['predictedValue'] = predictedValue[0]
result['yearPredicted'] = predictionYear
with open("/Users/rjmac/Desktop/prediction.png", "rb") as img:
st = base64.b64encode(img.read())
print(type(st))
strng = st.decode("utf-8")
result['predictionGraph'] = strng
# lst_for_result.append(result)
json_data = json.dumps(result)
return HttpResponse(json_data, content_type='application/json')
def save(self, file):
return self.model.save(file)
def load(self, file):
return load_model(file)
# Saving a file in python
# file = "f.txt"
# path = os.path.join("test/", file)
# file = open(path, "w")
stock_list = [
'ADM', 'FLS', 'ADI', 'ADBE', 'CB', 'FAST', 'ABBV', 'SJM', 'DHI', 'ACN',
'AAP', 'ZTS', 'SIG', 'CME', 'XOM', 'CMCSA', 'ABC', 'ABT', 'JBHT', 'DHR',
'GOOGL', 'AAL', 'XLNX', 'MMC', 'RRC', 'ROST', 'GPC', 'AAPL', 'DLTR', 'WM'
]
for i in stock_list:
stock = bb.Share('Wiki', i)
Xtrain, Xtest, ytrain, ytest = split(stock, 'Close', normalize=True)
Xtrain = np.reshape(Xtrain, (Xtrain.shape[0], Xtrain.shape[1], 1))
Xtest = np.reshape(Xtest, (Xtest.shape[0], Xtest.shape[1], 1))
rnn = RNN([1, 100, 100, 1]) # number of neurons in each layer
rnn.fit(Xtrain, ytrain)
rnn.save("models/" + i + ".h5")
import os os.environ["BULBEA_QUANDL_API_KEY"] = 'VGjjpcct_DscJ4Fa8DCP' import bulbea as bb share = bb.Share(source='SSE', ticker='MSFT', provider='alphavantage') # share = bb.Share(source='SSE', ticker='AMZ', provider='quandl') share.groupDataByAttribute() '''print(share.data)''' from bulbea.learn.evaluation import split import numpy as np Xtrain, Xtest, ytrain, ytest = split(share, '4. close', normalize=True) # Xtrain, Xtest, ytrain, ytest = split(share, 'Last', normalize=True) Xtrain = np.reshape(Xtrain, (Xtrain.shape[0], Xtrain.shape[1], 1)) Xtest = np.reshape(Xtest, (Xtest.shape[0], Xtest.shape[1], 1)) from bulbea.learn.models import RNN rnn = RNN([1, 100, 100, 1]) # number of neurons in each layer rnn.fit(Xtrain, ytrain) from sklearn.metrics import mean_squared_error p = rnn.predict(Xtest) mean_squared_error(ytest, p) import matplotlib.pyplot as pplt pplt.plot(ytest)
from bulbea.learn.models import RNN
# ### Training & Testing
# In[11]:
from bulbea.learn.evaluation import split
import numpy as np
# In[ ]:
rnn_arr = []
for index, share in enumerate(share_array):
print("{} hour. {}".format(index + 1, len(share.data)))
Xtrain, Xtest, ytrain, ytest = split(share, 'Close', normalize=True)
Xtrain = np.reshape(Xtrain, (Xtrain.shape[0], Xtrain.shape[1], 1))
Xtest = np.reshape(Xtest, (Xtest.shape[0], Xtest.shape[1], 1))
# Training
rnn = RNN([1, 100, 100, 1]) # number of neurons in each layer
rnn.fit(Xtrain, ytrain)
rnn_arr.append(rnn)
# #### TESTING
# In[13]:
from sklearn.metrics import mean_squared_error
import matplotlib.pyplot as pplt
from bulbea.entity.share import _reverse_cummulative_return
