Lineární modelování s finančními daty

Machine Learning for Finance in Python

Nathan George

Data Science Professor

graf trénovací a testovací sady

Machine Learning for Finance in Python

Vytvoření trénovací a testovací sady

import statsmodels.api as sm

linear_features = sm.add_constant(features)
train_size = int(0.85 * targets.shape[0])
train_features = linear_features[:train_size] train_targets = targets[:train_size] test_features = linear_features[train_size:] test_targets = targets[train_size:]
some_list[start:stop:step]
Machine Learning for Finance in Python

Lineární modelování

model = sm.OLS(train_targets, train_features)

results = model.fit()
Machine Learning for Finance in Python

Lineární modelování

print(results.summary())
Machine Learning for Finance in Python
Dep. Variable:         10d_future_pct   R-squared:                  0.157
Model:                            OLS   Adj. R-squared:             0.146
Method:                 Least Squares   F-statistic:                15.55
Date:                Thu, 19 Apr 2018   Prob (F-statistic):         4.79e-14
Time:                        11:41:05   Log-Likelihood:             336.53
No. Observations:                 425   AIC:                       -661.1
Df Residuals:                     419   BIC:                       -636.8
Df Model:                           5                                         
Covariance Type:            nonrobust                                         
===========================================================================
                  coef    std err        t      P>|t|     [0.025     0.975]
<hr />-------------------------------------------------------------------------
const           1.3305      0.323    4.117      0.000      0.695      1.966
10d_close_pct   0.0906      0.098    0.927      0.355     -0.102      0.283
ma14            0.3313      0.209    1.585      0.114     -0.080      0.742
rsi14          -0.0013      0.001   -1.044      0.297     -0.004      0.001
ma200          -0.4090      0.053   -7.712      0.000     -0.513     -0.305
rsi200         -0.0224      0.003   -6.610      0.000     -0.029     -0.016
===========================================================================
Omnibus:                      3.571   Durbin-Watson:              0.209
Prob(Omnibus):                0.168   Jarque-Bera (JB):           3.323
Skew:                         0.202   Prob(JB):                   0.190
Kurtosis:                     3.159   Cond. No.                   5.47e+03
Machine Learning for Finance in Python

p-hodnoty

print(results.pvalues)
const            4.630428e-05
10d_close_pct    3.546748e-01
ma14             1.136941e-01
rsi14            2.968699e-01
ma200            9.126405e-14
rsi200           1.169324e-10
Machine Learning for Finance in Python

skutečné vs. skutečné

Machine Learning for Finance in Python

predikce vs. skutečné

Machine Learning for Finance in Python

Čas natrénovat lineární model!

Machine Learning for Finance in Python

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