Numpy 加载范例数据集

from sklearn import datasets

boston_prices = datasets.load_boston()
print "Data shape", boston_prices.data.shape
print "Data max=%s min=%s" %
  (boston_prices.data.max(),
  boston_prices.data.min())
print "Target shape",
  boston_prices.target.shape
print "Target max=%s min=%s" %
  (boston_prices.target.max(),
  boston_prices.target.min())

Data shape (506, 13)
Data max=711.0 min=0.0
Target shape (506,)
Target max=50.0 min=5.0