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Python 2021-10-14 19:41:07
standard import packages
# Import Packages # Array and Dataframe processing: import pandas as pd import numpy as np # Visualization: import seaborn as sns sns.set_style("darkgrid") import matplotlib.pyplot as plt %matplotlib inline import plotly.graph_objects as go im... Add solution -
Python 2021-10-13 19:21:13
frequency spectrum signal python
#A short example to extract the frequency spectrum of a signal import numpy as np import matplotlib.pyplot as plot samplingFrequency = 100 t=np.arange(0,5,1/samplingFrequency) signal=np.sin(2*np.pi*t) fourierTransform = np.fft.fft(signal)/len(signal) fou... Add solution -
Python 2021-10-12 16:19:05
roc curve
import sklearn.metrics as metrics # calculate the fpr and tpr for all thresholds of the classification probs = model.predict_proba(X_test) preds = probs[:,1] fpr, tpr, threshold = metrics.roc_curve(y_test, preds) roc_auc = metrics.auc(fpr, tpr) # method ... Add solution
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