import numpy as np
print("ones", np.ones(5))
print("arange", np.arange(5))
print("linspace", np.linspace(0., 1., 5))
print("random", np.random.uniform(size=3))
print("custom", np.array([2, 3, 5]))

np.array([[1, 2], [3, 4]])

np.ones(5, dtype=np.int64)

np.arange(5).astype(np.float64)

import pandas as pd

data = pd.read_csv('../chapter2/data/nyc_data.csv')

pickup = data[['pickup_longitude', 'pickup_latitude']].values
pickup

pickup.shape