"Hello world" of ML

#!/usr/bin/python

import os
import pandas as pd
from sklearn.datasets import fetch_openml
import matplotlib
import matplotlib.pyplot as plt

HOUSING_URL = "https://github.com/ageron/handson-ml/blob/master/datasets/housing/housing.tgz"
HOUSING_PATH = "c:\\datasets\\housing\\"

def load_housing_data(housing_path=HOUSING_PATH):
    csv_path = os.path.join(housing_path, "housing.csv")
    return pd.read_csv(csv_path)

if __name__ == "__main__":
    mnist = fetch_openml('mnist_784')
    X, y = mnist["data"], mnist["target"]

    some_digit = X[36000]
    some_digit_image = some_digit.reshape(28, 28)
    plt.imshow(some_digit_image, cmap=matplotlib.cm.binary, interpolation="nearest")
    plt.axis("off")
    plt.show()
    print(y[36000])

 

posted @ 2019-06-18 16:36  东宫得臣  阅读(210)  评论(0编辑  收藏  举报