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#!/usr/bin/env python | |
# encoding: utf-8 | |
import tweepy #https://github.com/tweepy/tweepy | |
import csv | |
#Twitter API credentials | |
consumer_key = "" | |
consumer_secret = "" | |
access_key = "" |
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trainstock = yf.Ticker("SPY") | |
start = "2009-01-01" | |
end = "2016-01-01" | |
st = trainstock.history(start = start,end = end) | |
st = st[["Close","Open","Volume","High","Low"]] | |
D = reconstruct(st["Close"].values, dim = 45, tau = 1) | |
win = D[:,:-1] ; s = D[:,-1] | |
std = np.std(win, axis = -1) |
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from bayes_opt import BayesianOptimization | |
def RF_opt(n_estimators, max_depth): | |
global rskf | |
reg = RandomForestClassifier(verbose = 0, | |
n_estimators = int(n_estimators), | |
#min_samples_split = int(min_samples_split), | |
#min_samples_leaf = int(min_samples_leaf), | |
max_depth = int(max_depth), |
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oversampler = MulticlassOversampling(sv.TRIM_SMOTE(proportion = 0.1)) | |
warnings.filterwarnings("ignore") | |
Scores1 = [] | |
cmatrices1 = [] | |
cmatrices2 = [] | |
Scores2 = [] | |
for i in range(50): | |
print("Trial {}".format(i)) | |
print("-----------------------------") | |
scores1 = [] |
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def getWeights(d,lags): | |
# return the weights from the series expansion of the differencing operator | |
# for real orders d and up to lags coefficients | |
w=[1] | |
for k in range(1,lags): | |
w.append(-w[-1]*((d-k+1))/k) | |
w=np.array(w).reshape(-1,1) | |
return w | |
def plotWeights(dRange, lags, numberPlots): |
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covariates = trainx; target = trainy | |
def lgb_trainer(num_leaves, learning_rate, | |
max_depth, n_estimators, | |
reg_lambda, | |
#alpha, | |
reg_alpha, | |
subsample): | |
lgb = LGBMRegressor(objective = "quantile", | |
alpha = .95, |
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scores = [] | |
for i in range(len(report)): | |
myfeats = report.iloc[i,1] ; print(myfeats) | |
X = D[myfeats] ; y = y | |
clf = LogisticRegression(solver = "liblinear", C = 6, tol = 1) | |
#clf = RandomForestClassifier() | |
rskf = RepeatedStratifiedKFold(n_splits = 10, n_repeats = 100) | |
score = np.mean(cross_val_score(clf, X, y, cv = rskf, scoring = "roc_auc")) | |
scores.append(score) |
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from sklearn.feature_selection import * | |
feat_list = [] | |
all_scores = [] | |
for i in range(10): | |
np.random.seed(i) | |
sfm = SelectFromModel(estimator = clf, threshold=None, prefit=False, | |
norm_order=1, max_features = 12) | |
sfm.fit(D[allfeats], y) | |
modfeats = sfm.get_support() | |
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from pycaret.datasets import get_data | |
from pycaret.classification import * | |
report["Scores"] = np.round(report["Scores"], 3) | |
report.sort_values(by = "Scores", ascending = False, inplace = True) | |
#report.index | |
ga_feats = report.iloc[0]["Chosen Feats"] | |
ename = setup(data = D[used_feats], target = "DEATH_EVENT", | |
test_data = None, | |
fold_strategy = "stratifiedkfold", | |
fold_shuffle = True, |
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