python aeon库进行时间序列算法预测分类实例探索

pip install aeon

pip install aeon[all_extras]

from aeon.datasets import load_airline
from aeon.forecasting.base import ForecastingHorizon
from aeon.forecasting.naive import NaiveForecaster
from aeon.utils.plotting import plot_series
import numpy as np
# step 1: data specification
y = load_airline()

# step 2: specifying forecasting horizon
fh = np.arange(1, 37)

# step 3: specifying the forecasting algorithm
forecaster = NaiveForecaster(strategy="last", sp=12)

# step 4: fitting the forecaster
forecaster.fit(y)

# step 5: querying predictions
y_pred = forecaster.predict(fh)

# optional: plotting predictions and past data
plot_series(y, y_pred, labels=["y", "y_pred"])

import numpy as np
from aeon.classification.distance_based import KNeighborsTimeSeriesClassifier

X = [[[1, 2, 3, 4, 5, 5]],  # 3D array example (univariate)
     [[1, 2, 3, 4, 4, 2]],  # Three samples, one channel, six series length,
     [[8, 7, 6, 5, 4, 4]]]
y = ['low', 'low', 'high']  # class labels for each sample
X = np.array(X)
y = np.array(y)

clf = KNeighborsTimeSeriesClassifier(distance="dtw")
clf.fit(X, y)  # fit the classifier on train data

X_test = np.array(
    [[[2, 2, 2, 2, 2, 2]], [[5, 5, 5, 5, 5, 5]], [[6, 6, 6, 6, 6, 6]]]
)
y_pred = clf.predict(X_test)  # make class predictions on new data

#array(['low', 'high', 'high'], dtype='<U4')