import numpy as np from sklearn import datasets from sklearn.model_selection import train_test_split from sklearn.preprocessing import StandardScaler # Load the iris dataset iris = datasets.load_iris() X = iris.data[:, :2] # we only take the first two features. y = iris.target # Train/Test Split X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2, random_state=42) # Standardize the data scaler = StandardScaler() X_train = scaler.fit_transform(X_train) X_test = scaler.transform(X_test) # K-Nearest Neighbors Algorithm def knn(k, X_train, y_train, X_new): distances = np.zeros((X_new.shape[0], X_train.shape[0])) for i in range(X_new.shape[0]): for j in range(X_train.shape[0]): distance = np.linalg.norm(X_new[i] - X_train[j]) distances[i][j] = distance indices = np.argsort(distances) classes = np.zeros((X_new.shape[0], k)) for i in range(X_new.shape[0]): for j in range(k): index = indices[i][j] classes[i][j] = y_train[index] return np.array([np.bincount(class_).argmax() for class_ in classes]) # Use the KNN algorithm to classify new data points k = 3 y_pred = knn(k, X_train, y_train, X_test) # Print the accuracy of the KNN algorithm accuracy = np.mean(y_pred == y_test) print(f"Accuracy: {accuracy:.2f}") ```

Pray🙏

😮❤я😅б😮😮ч😮 лучше 😮л😅 мб в б😮и❤ 15:50

Б

😂 it didn't changed you it just calmed down the evil in you, listen the holy quran and we will be in touch

Ya+

Which song?

11:06

nice pic shawlty

Never❤

@@jodiwindle1849

you really down bad @@youdontknow8729

and Lil Tjay the only one keeping up

On my soul 😢❤

???

Who died

Lil Tjay?

❤❤😂

did it

Nah tjay is the goat

True bro polo is a real goat whats this guy speakin about lil tjay 🤷🏽

@@anthonyt8655 in a few more questions to play a part in town Kalgoorlie you can

IM STILL waiting for the day he dont rap about drugs or killing someone. think i might as well dig my own grave sadly

@@redpilledmerch3945I know, Partin ways, wishing for a hero, Martin and Gina

From

Fr tho

I agree💯

On god

X ,

People like you ruin the mix lmao nigga said Kevin gates drink bleach

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