Zdravim.
Snazim sa poriesit ML a predikciu a skusam nasledovne.
# Load the dataset using pandas
output_path = os.path.dirname(__file__)
csv = os.path.join(output_path, 'data.csv')
# Load dataset
names = ['Open','Closing']
#names = ['Open']
dataset = read_csv(csv, names=names, header=0)
dataset=dataset.astype(float)
# box and whisker plots
# Split-out validation dataset
array = dataset.values
print (array)
X = array[:,0]
y = array[:,1]
X_train, X_validation, Y_train, Y_validation = train_test_split(X, y, test_size=0.20, random_state=1)
print ('After XY separation')
print (array)
pyplot.plot(array)
pyplot.ylabel('some numbers')
pyplot.show()
# Spot Check Algorithms
models = []
models.append(('LR', LogisticRegression(solver='liblinear', multi_class='ovr')))
models.append(('LDA', LinearDiscriminantAnalysis()))
models.append(('KNN', KNeighborsClassifier()))
models.append(('CART', DecisionTreeClassifier()))
models.append(('NB', GaussianNB()))
models.append(('SVM', SVC(gamma='auto')))
# evaluate each model in turn
results = []
names = []
for name, model in models:
kfold = StratifiedKFold(n_splits=10, random_state=1, shuffle=True)
cv_results = cross_val_score(model, X_train, Y_train, cv=kfold, scoring='accuracy')
results.append(cv_results)
names.append(name)
print('%s: %f (%f)' % (name, cv_results.mean(), cv_results.std()))
# Compare Algorithms
pyplot.boxplot(results, labels=names)
pyplot.title('Algorithm Comparison')
pyplot.show()
Zdrojove data vyzeraju takto nieako
Closing Open
870.13125 910.2475
905.45625 870.13125
900.36625 905.45625
948.89875 900.36625
971.645 948.89875
954.84375 971.645
952.455 954.84375
964.325 952.455
1009.97375 964.325
1028.33375 1009.97375
1047.09999 1028.33375
1140.385 1047.09999
985.93875 1140.385
837.83625 985.93875
923.52375 837.83625
aj graf vyzera ok ale zomrie to na chybu.
File "C:\Program Files\Python36\lib\site-packages\sklearn\model_selection\_split.py", line 589, in _make_test_folds
allowed_target_types, type_of_target_y))
ValueError: Supported target types are: ('binary', 'multiclass'). Got 'continuous' instead.
Vedel by niekto preco?
Ono povodne som chcel este pouzit column Date ale ten mi nechcelo ani za toho pana nacitat.
Mam pocit ze som sa dost zamotal s tym array.
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